---
title: "CVE-2022-48720\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-48720?format=md
keywords: index, follow
---

# CVE-2022-48720

Publication date 20 June 2024

Last updated 4 July 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2022-48720?format=md#impact-score)

Toggle side navigation

## Description

In the Linux kernel, the following vulnerability has been resolved:
net: macsec: Fix offload support for NETDEV\_UNREGISTER event
Current macsec netdev notify handler handles NETDEV\_UNREGISTER event by
releasing relevant SW resources only, this causes resources leak in case
of macsec HW offload, as the underlay driver was not notified to clean
it's macsec offload resources.
Fix by calling the underlay driver to clean it's relevant resources
by moving offload handling from macsec\_dellink() to macsec\_common\_dellink()
when handling NETDEV\_UNREGISTER event.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-allwinner-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| linux-aws | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-aws-5.0 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-aws-5.3 |
| linux-aws-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.13] |
| linux-aws-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.15] |
| linux-aws-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-aws-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.2 |
| 20.04 LTS focal | Not in release |
| linux-aws-5.3 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-aws-5.4 |
| linux-aws-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-aws-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.11] |
| linux-aws-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.5 |
| 20.04 LTS focal | Not in release |
| linux-aws-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-aws-fips | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy  FIPS Updates | Not affected |
| 20.04 LTS focal  FIPS | Not affected |
| 18.04 LTS bionic  FIPS | Not affected |
| linux-aws-hwe | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 16.04 LTS xenial | Not affected |
| linux-azure | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-azure-4.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-azure-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.13] |
| linux-azure-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.15] |
| linux-azure-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-azure-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.2 |
| 20.04 LTS focal | Not in release |
| linux-azure-5.3 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.4 |
| linux-azure-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-azure-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.11] |
| linux-azure-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.5 |
| 20.04 LTS focal | Not in release |
| linux-azure-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-azure-edge | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 |
| linux-azure-fde | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-fde-5.15] |
| linux-azure-fde-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-azure-fde-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-fde-6.2 |
| 20.04 LTS focal | Not in release |
| linux-azure-fde-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored replaced by linux-azure-6.5 |
| 20.04 LTS focal | Not in release |
| linux-azure-fips | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy  FIPS Updates | Not affected |
| 20.04 LTS focal  FIPS | Not affected |
| 18.04 LTS bionic  FIPS | Not affected |
| linux-bluefield | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-fips | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy  FIPS Updates | Not affected |
| 20.04 LTS focal  FIPS | Not affected |
| 18.04 LTS bionic  FIPS | Not affected |
| 16.04 LTS xenial  FIPS | Not affected |
| linux-gcp | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Ignored superseded by linux-gcp-5.3 |
| 16.04 LTS xenial | Not affected |
| linux-gcp-4.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-gcp-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.13] |
| linux-gcp-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.15] |
| linux-gcp-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-gcp-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.2 |
| 20.04 LTS focal | Not in release |
| linux-gcp-5.3 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-gcp-5.4 |
| linux-gcp-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-gcp-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.11] |
| linux-gcp-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.5 |
| 20.04 LTS focal | Not in release |
| linux-gcp-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-gcp-fips | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy  FIPS Updates | Not affected |
| 20.04 LTS focal  FIPS | Not affected |
| 18.04 LTS bionic  FIPS | Not affected |
| linux-gke | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Ignored end of kernel support |
| linux-gke-4.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-gke-5.0 |
| linux-gke-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of kernel support |
| linux-gke-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of kernel support |
| linux-gkeop | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| linux-gkeop-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-gkeop-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of kernel support |
| linux-hwe | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 |
| 16.04 LTS xenial | Not affected |
| linux-hwe-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.13] |
| linux-hwe-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.15] |
| linux-hwe-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-hwe-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.2 |
| 20.04 LTS focal | Not in release |
| linux-hwe-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-hwe-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.11] |
| linux-hwe-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.5 |
| 20.04 LTS focal | Not in release |
| linux-hwe-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-hwe-6.8 | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-edge | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-hwe-5.4 |
| 16.04 LTS xenial | Ignored end of ESM support, was ignored [superseded by linux-hwe] |
| linux-ibm | 24.04 LTS noble | Not affected |
| 23.10 mantic | Ignored end of kernel support |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| linux-ibm-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-ibm-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-intel | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of kernel support |
| linux-intel-iot-realtime | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy  Real-time | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-iotg | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-intel-iotg-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1008.11~20.04.1 |
| linux-iot | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-kvm | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| linux-laptop | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| linux-lowlatency | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-lowlatency-hwe-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-lowlatency-hwe-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.2 |
| 20.04 LTS focal | Not in release |
| linux-lowlatency-hwe-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.5 |
| 20.04 LTS focal | Not in release |
| linux-lowlatency-hwe-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-lowlatency-hwe-6.8 | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-xenial | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 14.04 LTS trusty | Not affected |
| linux-nvidia | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-nvidia-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.5 |
| 20.04 LTS focal | Not in release |
| linux-nvidia-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-nvidia-6.8 | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-lowlatency | 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 |
| linux-oem-5.10 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.13] |
| linux-oem-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.14] |
| linux-oem-5.14 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [replaced by linux-hwe-5.15] |
| linux-oem-5.17 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| 20.04 LTS focal | Not in release |
| linux-oem-5.6 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.10] |
| linux-oem-6.0 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| 20.04 LTS focal | Not in release |
| linux-oem-6.1 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.5 |
| 20.04 LTS focal | Not in release |
| linux-oem-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-oem-6.8 | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| linux-oracle | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| linux-oracle-5.0 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-oracle-5.3 |
| linux-oracle-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.13] |
| linux-oracle-5.13 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.15] |
| linux-oracle-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-oracle-5.3 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-oracle-5.4 |
| linux-oracle-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-oracle-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.11] |
| linux-oracle-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-raspi | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| linux-raspi-5.4 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| linux-raspi-realtime | 24.04 LTS noble  Real-time | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [replaced by linux-raspi] |
| linux-realtime | 24.04 LTS noble | Not affected |
| 22.04 LTS jammy  Real-time | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.8] |
| linux-riscv-5.11 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.13] |
| linux-riscv-5.15 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| linux-riscv-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| linux-riscv-5.8 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.11] |
| linux-riscv-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-riscv-6.8 | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-starfive | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| linux-starfive-5.19 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| linux-starfive-6.2 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-starfive-6.5 |
| 20.04 LTS focal | Not in release |
| linux-starfive-6.5 | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| linux-xilinx-zynqmp | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2022-48720?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| linux | * Introduced by   [3cf3227](https://git.kernel.org/linus/3cf3227a21d1fb020fe26128e60321bd2151e922),   fixed by   [9cef24c](https://git.kernel.org/linus/9cef24c8b76c1f6effe499d2f131807c90f7ce9a) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | None |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48720)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-48720)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-48720)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-48720)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2022-48720>
* <https://git.kernel.org/linus/9cef24c8b76c1f6effe499d2f131807c90f7ce9a (5.17-rc3)>
* <https://git.kernel.org/stable/c/2e7f5b6ee1a7a2c628253a95b0a95b582901ef1b>
* <https://git.kernel.org/stable/c/e7a0b3a0806dae3cc81931f0e83055ca2ac6f455>
* <https://git.kernel.org/stable/c/8299be160aad8548071d080518712dec0df92bd5>
* <https://git.kernel.org/stable/c/9cef24c8b76c1f6effe499d2f131807c90f7ce9a>
