SB20250226363 - NULL pointer dereference in Linux kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226363
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) NULL pointer dereference (CVE-ID: CVE-2022-49257)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the watch_queue_set_size() function in kernel/watch_queue.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/112a2f9b0a8457794095a0450598f150724ec456
- https://git.kernel.org/stable/c/5ae75b4ed30322b42abaa75ef1b784addfdb7dc9
- https://git.kernel.org/stable/c/695c47cea02b9101e2fc2e7d36d552128592b347
- https://git.kernel.org/stable/c/a635415a064e77bcfbf43da413fd9dfe0bbed9cb
- https://git.kernel.org/stable/c/b6f5ad3e45d19f9c4ee3e8a2aff829f28d68591d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2