CVE-2026-64375

A flaw was found in the Linux kernel's proc filesystem. A local attacker with low privileges could exploit a race condition within the ptrace_may_access() function when handling file descriptor links. This vulnerability arises because the system performs multiple task lookups without proper synchronization during access checks. Successful exploitation could allow the attacker to bypass security restrictions, potentially leading to unauthorized information disclosure, modification of system data, or a denial of service.

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.