CVE-2026-64591

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.2% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Received. NVD last modified this record on 2026-08-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-06 07:13Z2 MO AGO

Last updated

2026-08-17 04:58Z2 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-832Unlock of a Resource that is not LockedBase

Data version

5.2

Document digest

25210f2a0430f96faaa52cde2841a28313d19ad10dc049d125b03eaec4cb48d6

• git.kernel.orghttps://git.kernel.org/stable/c/bb354384f40bb087e7c44f0f0743a23fc945f91d
• git.kernel.orghttps://git.kernel.org/stable/c/477f8dec3b5ae54e8ef3c33bdd2257e47896512e
• git.kernel.orghttps://git.kernel.org/stable/c/534b5f98ab7319d8004bbc7dab6481462243e883