SB20260216107 - Improper locking in Linux kernel mmc host driver
Published: February 16, 2026
Security Bulletin ID
SB20260216107
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) Improper locking (CVE-ID: CVE-2025-71200)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the dwcmshc_rk3568_set_clock() function in drivers/mmc/host/sdhci-of-dwcmshc.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/3009738a855cf938bbfc9078bec725031ae623a4
- https://git.kernel.org/stable/c/36be050f21dea7a3a76dff5a031da6274e8ee468
- https://git.kernel.org/stable/c/59b8a1ca6df4db2ca250e9eeab74e2b0068d69e9
- https://git.kernel.org/stable/c/de0ad7156036a50982bcb75a080e4af284502be2
- https://git.kernel.org/stable/c/f2677d6e2bbc5ba2030825522d2afd0542b038a3