CVE-2026-63825

A flaw was found in the Linux kernel. When the GCOV instrumentation, which helps analyze code coverage, processes data concurrently across multiple central processing units (CPUs), it can lead to inconsistent counter values. This inconsistency can cause out-of-bounds memory writes within the inflate_fast() function during IP Payload Compression (IPComp) processing. The primary consequence of this vulnerability is a system crash, resulting in a Denial of Service (DoS).