---
title: CVE-2022-1836
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-2022-1836
---

# CVE-2022-1836

Publication date 25 May 2022

Last updated 4 July 2026

---

Ubuntu priority

**Medium**

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

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## Description

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs:
CVE-2022-33981. Reason: This candidate is a reservation duplicate of
CVE-2022-33981. Notes: All CVE users should reference CVE-2022-33981
instead of this candidate. All references and descriptions in this
candidate have been removed to prevent accidental usage

### From the Ubuntu Security Team

Minh Yuan discovered that the floppy driver in the Linux kernel contained a
race condition in some situations, leading to a use-after-free
vulnerability. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| linux-aws | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| linux-aws-5.0 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-hwe | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-azure | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| linux-azure-4.15 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-edge | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-bluefield | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-dell300x | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needed |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-fips | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 21.04 hirsute | Not in release |
| 20.04 LTS focal  FIPS | Not affected |
| 18.04 LTS bionic  FIPS | Not affected |
| 16.04 LTS xenial  FIPS | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-gcp | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-gcp-4.15 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke-4.15 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke-5.0 | 22.04 LTS jammy | Not in release |
| 21.10 impish | 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-gke-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | 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-gke-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gkeop | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gkeop-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.13] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-edge | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-ibm | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-ibm-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needed |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-iotg | 22.04 LTS jammy | Not affected |
| 21.10 impish | 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-iotg-5.15 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-kvm | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency | 22.04 LTS jammy | Not affected |
| 21.10 impish | 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-lts-xenial | 22.04 LTS jammy | Not in release |
| 21.10 impish | 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 | Ignored end of standard support |
| linux-oem | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.10 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.14 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Fixed 5.14.0-1042.47 |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.17 | 22.04 LTS jammy | Fixed 5.17.0-1011.12 |
| 21.10 impish | 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-5.6 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-osp1 | 22.04 LTS jammy | Not in release |
| 21.10 impish | 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-oracle | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.0 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.13 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi-5.4 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi2 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needed |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi2-5.3 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv | 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life, was needed |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.8] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.11 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.8 | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.11] |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-snapdragon | 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needed |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [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-2022-1836#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   [1da177e](https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2),   fixed by   [233087c](https://git.kernel.org/linus/233087ca063686964a53c829d547c7571e3f67bf) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1836)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-1836)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-1836)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-1836)

### Related Ubuntu Security Notices (USN)

+ [USN-5470-1](https://usn.ubuntu.com/USN-5470-1)
+ Linux kernel (OEM) vulnerabilities
+ 8 June 2022

+ [USN-5471-1](https://usn.ubuntu.com/USN-5471-1)
+ Linux kernel (OEM) vulnerabilities
+ 8 June 2022

### Other references

* <https://www.openwall.com/lists/oss-security/2022/04/28/1>
* <https://git.kernel.org/linus/233087ca063686964a53c829d547c7571e3f67bf (5.18-rc5)>
* <https://www.cve.org/CVERecord?id=CVE-2022-1836>
