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Ubuntu: (CVE-2023-4389): linux-hwe-5.15 vulnerability

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Ubuntu: (CVE-2023-4389): linux-hwe-5.15 vulnerability

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
08/16/2023
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.

Solution(s)

  • ubuntu-upgrade-linux-azure-5-15
  • ubuntu-upgrade-linux-hwe-5-15
  • ubuntu-upgrade-linux-intel-iotg
  • ubuntu-upgrade-linux-intel-iotg-5-15
  • ubuntu-upgrade-linux-lowlatency-hwe-5-15
  • ubuntu-upgrade-linux-oem-5-17
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-realtime

References

  • https://attackerkb.com/topics/cve-2023-4389
  • CVE - 2023-4389
  • https://access.redhat.com/security/cve/CVE-2023-4389
  • https://git.kernel.org/linus/168a2f776b9762f4021421008512dd7ab7474df1
  • https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/
  • https://www.cve.org/CVERecord?id=CVE-2023-4389
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