CVE-2026-99036

A flaw was found in the Linux kernel's Device Mapper subsystem. A local privileged user could trigger a race condition by issuing concurrent device control (ioctl) operations during a device resume sequence. Because the kernel accesses mapping information without proper locking after swapping tables, it may read previously freed memory. This flaw could lead to a Denial of Service (DoS) by causing a kernel crash or result in unpredictable system behavior.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.