SB2025122655 - Memory leak in Linux kernel mmc host driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122655
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50769)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mxcmci_probe() function in drivers/mmc/host/mxcmmc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1cf0c1e58738b97e2de207846105b6a5d46622ee
- https://git.kernel.org/stable/c/2d496050ded83b13b16f05e1fc0329b0210d2493
- https://git.kernel.org/stable/c/32eb502c972dfc34413c9147418b3d94d870c2b8
- https://git.kernel.org/stable/c/3904eb97bb78fdca3e16d30a38ce5697b9686110
- https://git.kernel.org/stable/c/5f35c038c9f4d258b3cf77885a2730f1417d63e7
- https://git.kernel.org/stable/c/b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89
- https://git.kernel.org/stable/c/cde600af7b413c9fe03e85c58c4279df90e91d13
- https://git.kernel.org/stable/c/d2ead18bc7cc166220cab5a744a05c5b69431a12
- https://git.kernel.org/stable/c/d37474ab9a79149075f0823315c6d45dd983a78c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16