CVE-2026-90052

A flaw was found in the Linux kernel's dm-integrity component. This vulnerability arises from an incorrect checksum calculation during the discard operation, specifically when the tag size is smaller than the digest size. This can lead to a buffer overflow, where data is written beyond the allocated memory buffer. An attacker could potentially exploit this to cause system instability or escalate privileges.

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.