#VU116580 Buffer overflow in Linux kernel - CVE-2022-50487
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116580
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-2022-50487
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 nfsd3_init_dirlist_pages() function in fs/nfsd/nfs3proc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/071a076fd1b763aa6fe478efa047e0a549ba9c22
- https://git.kernel.org/stable/c/279274e31270c28b86feffe5e166d4088f22317b
- https://git.kernel.org/stable/c/57774b1526163766403167b7bf00b136fb103761
- https://git.kernel.org/stable/c/640f87c190e0d1b2a0fcb2ecf6d2cd53b1c41991
- https://git.kernel.org/stable/c/9c3224826ec17f14e8bdfc86cb7e82fe52d744a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17