SB2024112049 - Improper locking in Linux kernel bpf
Published: November 20, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024112049
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-2024-53054)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the DEFINE_STATIC_KEY_ARRAY_FALSE() and cgroup_bpf_release_fn() functions in kernel/bpf/cgroup.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/71f14a9f5c7db72fdbc56e667d4ed42a1a760494
- https://git.kernel.org/stable/c/0d86cd70fc6a7ba18becb52ad8334d5ad3eca530
- https://git.kernel.org/stable/c/6dab3331523ba73db1345d19e6f586dcd5f6efb4
- https://git.kernel.org/stable/c/117932eea99b729ee5d12783601a4f7f5fd58a23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60