SB2025120839 - Memory leak in Linux kernel mmc host driver
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120839
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-2022-50618)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the meson_mmc_probe() function in drivers/mmc/host/meson-gx-mmc.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/42343e3c6195e934b9cb4c08b7ff84a3778d77f9
- https://git.kernel.org/stable/c/64b2c441171febf075bd9632aca579afda8ab9fb
- https://git.kernel.org/stable/c/90935f16f2650ab7416fa2ffbe5c28cb39cf3f1e
- https://git.kernel.org/stable/c/9e11c6bb745be4e9b325cf96031b4ea34801342d
- https://git.kernel.org/stable/c/e0cfe7aa41f3965f5224affd88afd48c60f6ad1f
- https://git.kernel.org/stable/c/f5506e0bbb25102bd8ef2e1a3b483a0b934e454e
- https://git.kernel.org/stable/c/f5ce76aeddf01ca8f2a80fc37119388d59db7c10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2