CVE-2026-64536

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.0% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-07-27 06:36Z1 MO AGO

Last updated

2026-08-17 04:57Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weaknesses

No CWE assigned

Data version

5.2

Document digest

c2432bdc4aad34b06ce9be626d421e78507d86b0c227005cdb706ad21642a588

• git.kernel.orghttps://git.kernel.org/stable/c/ea3809f7e20bdff282b8cc1e94937d5fb9fb32c7
• git.kernel.orghttps://git.kernel.org/stable/c/d2055332297e24c63fffda943ef7a5eefc0a6019
• git.kernel.orghttps://git.kernel.org/stable/c/6f26cc55affd9d7f88ae2f5d12db4ecf9072c209
• git.kernel.orghttps://git.kernel.org/stable/c/204b22c8df115370037248859bf0fa62db73a396
• git.kernel.orghttps://git.kernel.org/stable/c/a6105ea8ca6ebbc04beaf3bcbf7dbb5985f5d395
• git.kernel.orghttps://git.kernel.org/stable/c/4380b3860d887a13555ff024a58dfc05b490dfd6
• git.kernel.orghttps://git.kernel.org/stable/c/3bf39f711ff27c64be8680a8938bcc5001982e81