SB2024082122 - Improper locking in Linux kernel fs
Published: August 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082122
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-2024-43882)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the bprm_fill_uid() function in fs/exec.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/d5c3c7e26275a2d83b894d30f7582a42853a958f
- https://git.kernel.org/stable/c/368f6985d46657b8b466a421dddcacd4051f7ada
- https://git.kernel.org/stable/c/15469d46ba34559bfe7e3de6659115778c624759
- https://git.kernel.org/stable/c/9b424c5d4130d56312e2a3be17efb0928fec4d64
- https://git.kernel.org/stable/c/f6cfc6bcfd5e1cf76115b6450516ea4c99897ae1
- https://git.kernel.org/stable/c/d2a2a4714d80d09b0f8eb6438ab4224690b7121e
- https://git.kernel.org/stable/c/90dfbba89ad4f0d9c9744ecbb1adac4aa2ff4f3e
- https://git.kernel.org/stable/c/f50733b45d865f91db90919f8311e2127ce5a0cb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.320
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.282
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.47