SB2024102281 - NULL pointer dereference in Linux kernel btrfs
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102281
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-2024-49868)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the btrfs_update_reloc_root() function in fs/btrfs/relocation.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/d73d48acf36f57362df7e4f9d76568168bf5e944
- https://git.kernel.org/stable/c/37fee9c220b92c3b7bf22b51c51dde5364e7590b
- https://git.kernel.org/stable/c/d13249c0df7aab885acb149695f82c54c0822a70
- https://git.kernel.org/stable/c/7ad0c5868f2f0418619089513d95230c66cb7eb4
- https://git.kernel.org/stable/c/dc02c1440705e3451abd1c2c8114a5c1bb188e9f
- https://git.kernel.org/stable/c/39356ec0e319ed07627b3a0f402d0608546509e6
- https://git.kernel.org/stable/c/c3b47f49e83197e8dffd023ec568403bcdbb774b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55