SB20250226640 - Buffer overflow in Linux kernel parisc kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226640
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-49172)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the flush_cache_pages(), flush_cache_mm() and flush_cache_range() functions in arch/parisc/kernel/cache.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b3d6adb3a49d82e4e557c5fc16f50c9ff731da5d
- https://git.kernel.org/stable/c/ddca4b82027e2a66333dd40fab21a4beff435c7e
- https://git.kernel.org/stable/c/f839e5f1cef36ce268950c387129b1bfefdaebc9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18