SB2025100529 - Improper locking in Linux kernel core
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100529
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-2023-53585)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the BPF_CALL_3() function in net/core/filter.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/3d4522f59fb748a54446846522941a4f09da63e9
- https://git.kernel.org/stable/c/67312adc96b5a585970d03b62412847afe2c6b01
- https://git.kernel.org/stable/c/791a12102e5191dcb6ce0b3a99d71b5a2802d12a
- https://git.kernel.org/stable/c/7dcbc0bb0e5cc1823923744befce59ac353135e6
- https://git.kernel.org/stable/c/8aa43cfbb68b25119d2ced14ec717173e2901fa2
- https://git.kernel.org/stable/c/c0ce0fb76610d5fad31f56f2ca8241a2a6717a1b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53