#VU120695 Memory leak in Linux kernel - CVE-2022-50821
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120695
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-2022-50821
CWE-ID: CWE-401
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 memory leak within the gss_read_proxy_verf() function in net/sunrpc/auth_gss/svcauth_gss.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/2cd6026e257362f030c8be57abaf7fc0049df60a
- https://git.kernel.org/stable/c/67eb848161c2799f2007968ea3bc87adb15c9567
- https://git.kernel.org/stable/c/76f2497a2faa6a4e91efb94a7f55705b403273fd
- https://git.kernel.org/stable/c/aa91afe597401b78baa7d751c71eedb92c80bd4d
- https://git.kernel.org/stable/c/c9ded831e2552b9c3cab7e2591a190e94f9d29c0
- https://git.kernel.org/stable/c/d01fa993eb7fbc305f0a9c3e8bfac6513efc13b6
- https://git.kernel.org/stable/c/da522b5fe1a5f8b7c20a0023e87b52a150e53bf5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2