#VU104637 NULL pointer dereference in Linux kernel - CVE-2022-49152
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104637
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49152
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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