#VU117565 Memory leak in Linux kernel - CVE-2022-50562
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117565
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-2022-50562
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 tpm_read_log_acpi() function in drivers/char/tpm/eventlog/acpi.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/638cd298dfebce46919cbd6cf1884701215f506d
- https://git.kernel.org/stable/c/694a3d66f493afd77c704c6de91d9be4d6e004e4
- https://git.kernel.org/stable/c/8740a12ca2e2959531ad253bac99ada338b33d80
- https://git.kernel.org/stable/c/8ddc48068ac85740d3d5f9f3b0b323e733a35b33
- https://git.kernel.org/stable/c/bf31e3f8077af539feaf4e9bbf82e8eb51e7e5a8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.3