#VU104806 Buffer overflow in Linux kernel - CVE-2022-49172
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104806
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49172
CWE-ID: CWE-119
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 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.
External links
- 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