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CVE-2023-1611

Published: 3 April 2023

A use-after-free flaw was found in btrfs_search_slot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea

From the Ubuntu Security Team

It was discovered that a race condition existed in the btrfs file system implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information.

Notes

AuthorNote
sbeattie
possibly requires admin privileges to trigger quota disable
ioctl needed to exploit

Priority

Medium

Cvss 3 Severity Score

6.3

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Needed

kinetic Needed

lunar Pending
(6.2.0-23.23)
trusty Not vulnerable
(3.11.0-12.19)
upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
Patches:
Introduced by

e082f56313f374d723b0366978ddb062c8fe79ea

Fixed by 2f1a6be12ab6c8470d5776e68644726c94257c54
linux-aws
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Ignored
(was needed ESM criteria)
upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.13)
xenial Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.15)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.15)
xenial Does not exist

linux-aws-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.4)
xenial Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.11)
xenial Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Ignored
(was needed ESM criteria)
upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.13)
xenial Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.15)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.15)
xenial Does not exist

linux-azure-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.4)
xenial Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.11)
xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-azure-fde-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-fips
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Ignored
(out of standard support)
upstream
Released (6.3~rc5)
xenial Ignored
(out of standard support)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.3)
focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.13)
xenial Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.15)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.15)
xenial Does not exist

linux-gcp-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.4)
xenial Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.11)
xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(reached end of standard support)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.3)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gke-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gke-5.4)
xenial Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-hwe-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.13)
xenial Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.15)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.15)
xenial Does not exist

linux-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.11)
xenial Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(superseded by linux-hwe)
linux-ibm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-ibm-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needed)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-intel-iotg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-iot
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-lowlatency-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Ignored
(was needed ESM criteria)
upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(superseded by linux-hwe)
linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oem-5.14)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-5.14)
xenial Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-5.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Ignored
(was needs-triage now end-of-life)
trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-6.0
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-6.1
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Pending
(6.1.0-1012.12)
kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(was needed ESM criteria)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.13)
xenial Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oracle-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.4)
xenial Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.11)
xenial Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Ignored
(replaced by linux-raspi)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(end of standard support)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-raspi-5.4)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-raspi2-5.4)
xenial Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.8)
jammy Ignored
(was needs-triage now end-of-life)
kinetic Needed

lunar Needed

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.13)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-riscv-5.13)
xenial Does not exist

linux-riscv-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.11)
jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-riscv-5.11)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (6.3~rc5)
xenial Ignored
(end of standard support)
linux-xilinx-zynqmp
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.3
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H