SB20250226539 - Improper locking in Linux kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226539
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-2022-49142)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the skb_realloc_headroom() function in net/core/skbuff.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/23629b673b780d967b88a850b1518cf0f0ffc6aa
- https://git.kernel.org/stable/c/2b88cba55883eaafbc9b7cbff0b2c7cdba71ed01
- https://git.kernel.org/stable/c/a903e516f5df44b46d526b403d93e7be1a425538
- https://git.kernel.org/stable/c/a9a6d30264327d8ff7f23da33e7a77ffb793fa3f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19