SB2024111934 - NULL pointer dereference in Linux kernel btrfs
Published: November 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024111934
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-50273)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the insert_delayed_ref() function in fs/btrfs/delayed-ref.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d
- https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb
- https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0
- https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851
- https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6
- https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931
- https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92
- https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.324
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.286
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.117
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61