#VU116504 Memory leak in Linux kernel - CVE-2022-50477
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116504
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-2022-50477
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 devm_rtc_allocate_device() function in drivers/rtc/class.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/0bcfc8fd3e596994f527b46730579428b3a4fa5f
- https://git.kernel.org/stable/c/59457a0f079eae19aaf322b3cc1c8ba66f55c5f3
- https://git.kernel.org/stable/c/60da73808298ff2cfa9f165d55eb3d7aa7078601
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2