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...

CVE-2026-63825

In the Linux kernel, the following vulnerability has been resolved: gcov: use atomic counter updates to fix concurrent access crashes GCC's GCOV instrumentation can merge global branch counters with loop induction variables as an optimization. In inflatefast, the inner copy loops get transformed ...