SB2024061346 - Improper locking in Linux kernel ext4
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061346
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) Improper locking (CVE-ID: CVE-2024-26772)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_mb_find_by_goal() function in fs/ext4/mballoc.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/5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43
- https://git.kernel.org/stable/c/6b92b1bc16d691c95b152c6dbf027ad64315668d
- https://git.kernel.org/stable/c/ffeb72a80a82aba59a6774b0611f792e0ed3b0b7
- https://git.kernel.org/stable/c/8de8305a25bfda607fc13475ebe84b978c96d7ff
- https://git.kernel.org/stable/c/d639102f4cbd4cb65d1225dba3b9265596aab586
- https://git.kernel.org/stable/c/d3bbe77a76bc52e9d4d0a120f1509be36e25c916
- https://git.kernel.org/stable/c/21dbe20589c7f48e9c5d336ce6402bcebfa6d76a
- https://git.kernel.org/stable/c/832698373a25950942c04a512daa652c18a9b513
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.308
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.211
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8