SB20250226455 - NULL pointer dereference in Linux kernel lib
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226455
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-2022-49152)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the xas_create_range() function in lib/xarray.c, within the XA_BUG_ON() and check_create_range() functions in lib/test_xarray.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/18f13edf3424b3b61814b69d5269b2e14584800c
- https://git.kernel.org/stable/c/1ac49c8fd49fdf53d3cd8b77eb8ffda08d7fbe22
- https://git.kernel.org/stable/c/29968329b926d238e3107ec071a250397555d264
- https://git.kernel.org/stable/c/3e2852eda19ee1a400cd809d7a9322680f34a262
- https://git.kernel.org/stable/c/3e3c658055c002900982513e289398a1aad4a488
- https://git.kernel.org/stable/c/7521a97b1929042604bef6859f62fa8b4bbc077b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33