Memory leak in Linux kernel - CVE-2022-50104
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111324
CSH Severity: Low
CVSS v4.0: 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-2022-50104
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the xive_get_max_prio() function in arch/powerpc/sysdev/xive/spapr.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50104
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/255b650cbec6849443ce2e0cdd187fd5e61c218c
- https://git.kernel.org/stable/c/2e18b869a8d574cfe9ee64df9c3d0a7ac7ed07a8
- https://git.kernel.org/stable/c/5ed9709d262bf026b2ff64979fbfe0f496287588
- https://git.kernel.org/stable/c/6d1e53f7f181a11a8a343def1e0d0209905b7c64
- https://git.kernel.org/stable/c/79b8eae24b7ee157bda07695d802be8576983fa8
- https://git.kernel.org/stable/c/d99733ad47a6c990b52e136608455643bfa708f2
- https://git.kernel.org/stable/c/ea494e8a9852abd0ba60f69b254ce0d7c38449e2
- https://git.kernel.org/stable/c/f658d5b528ce97a68efbb64ee54f6fe0909b189a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.256