SB2025121047 - Memory leak in Linux kernel mmc host driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121047
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-2022-50653)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the atmci_init_slot() function in drivers/mmc/host/atmel-mci.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/00ac0f5f95920f003cd6ece53cdc759549b69118
- https://git.kernel.org/stable/c/1925472dec31ec061d57412b3a65a056ea24f340
- https://git.kernel.org/stable/c/6bb26abb92f25e582a0976091a10b539fe3796db
- https://git.kernel.org/stable/c/85946ceb0fac20ab39cdb85333086daf0291a553
- https://git.kernel.org/stable/c/99a6cdfa2cf05028b52f6d8ee85ccc5f8b71b4a2
- https://git.kernel.org/stable/c/9e6e8c43726673ca2abcaac87640b9215fd72f4c
- https://git.kernel.org/stable/c/cc8bb436f3c842a86b9082d97933582120d180e2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16