CVE-2025-39817

A slab-out-of-bounds exists in the linux kernel in efivarfs_d_compare, such that the issue can be triggered by parallel lookups using an invalid filename due to an incorrect memcmp function.

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 don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.