CVE-2025-38564

A flaw was found in the Linux kernel's perf_mmap() function. A local user with sufficient privileges could exploit this vulnerability by triggering a buffer mapping failure. The system's incorrect handling of this error leads to leaked reference counts and corrupted user virtual memory (VM) accounting. This can result in resource exhaustion and system instability, causing a Denial of Service (DoS).

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.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.