CVE-2026-53062: dm cache policy smq: fix missing locks in invalidating cache blocks
dm cache policy smq: fix missing locks in invalidating cache blocks
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.143.1-1 - Upgrade
Upgrade
Linux kernel dm-cache (smq)to a version that resolves this vulnerability.Patch dm cache policy smq: fix missing locks in invalidating cache blocks
Event History
Frequently Asked Questions
What is the severity of CVE-2026-53062?
CVE-2026-53062 has a severity rating of critical with a score of 9.8.
How do I fix CVE-2026-53062?
To fix CVE-2026-53062, upgrade to the latest version of the Linux kernel that includes the patch for this vulnerability.
What systems are affected by CVE-2026-53062?
CVE-2026-53062 affects systems running the Linux kernel with the device-mapper dm-cache smq policy.
What type of vulnerability is CVE-2026-53062?
CVE-2026-53062 is classified as a use after free vulnerability.
What are the potential impacts of CVE-2026-53062?
The potential impacts of CVE-2026-53062 include unauthorized access and data corruption due to missing locks in cache block invalidation.