SB2024091621 - Improper locking in Linux kernel events
Published: September 16, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091621
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-2024-46713)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ring_buffer_init() function in kernel/events/ring_buffer.c, within the put_ctx(), perf_mmap_close(), perf_mmap() and atomic_dec() functions in kernel/events/core.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/7882923f1cb88dc1a17f2bf0c81b1fc80d44db82
- https://git.kernel.org/stable/c/52d13d224fdf1299c8b642807fa1ea14d693f5ff
- https://git.kernel.org/stable/c/9dc7ad2b67772cfb94ceb3b0c9c4023c2463215d
- https://git.kernel.org/stable/c/c4b69bee3f4ef76809288fe6827bc14d4ae788ef
- https://git.kernel.org/stable/c/b9b6882e243b653d379abbeaa64a500182aba370
- https://git.kernel.org/stable/c/2ab9d830262c132ab5db2f571003d80850d56b2a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51