#VU120679 Memory leak in Linux kernel - CVE-2022-50846
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120679
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-2022-50846
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 via_sd_probe() function in drivers/mmc/host/via-sdmmc.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/076bcd2c93e16b05c10564e299d6e5d26a766d00
- https://git.kernel.org/stable/c/0959cc1685eb19774300d43ef25e318b457b156b
- https://git.kernel.org/stable/c/0ec94795114edc7e24ec71849dce42bfa61dafa3
- https://git.kernel.org/stable/c/12b8e81b77c05c658efd9cde3585bbd65ae39b59
- https://git.kernel.org/stable/c/63400da6cd37a9793c19bb6aed7131b58b975a04
- https://git.kernel.org/stable/c/95025a8dd0ec015872f6c16473fe04d6264e68ca
- https://git.kernel.org/stable/c/ba91b413983a9235792523c6b9f7ba2586c4d75d
- https://git.kernel.org/stable/c/e4e46fb61e3bb4628170810d3f2b996b709b90d9
- https://git.kernel.org/stable/c/f59ef2a47a228e51322ad76752a55a8917c56e38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229