CVE-2026-64433

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-03.

Red Hat severity

Moderate. 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

2026-07-25 08:51Z1 MO AGO

Last updated

2026-08-17 04:55Z18 DAYS 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-416Use After FreeVariant
• CWE-413Improper Resource LockingBase

Data version

5.2

Document digest

f63760a2fec761e28c671c5a76df08689fe1ad2461733186e4206e481fb5cef7

• git.kernel.orghttps://git.kernel.org/stable/c/caed4a96d55757c139a899744657c032b6186665
• git.kernel.orghttps://git.kernel.org/stable/c/e4369e4e970f3fa4676b76be14c1d315c87f22b6
• git.kernel.orghttps://git.kernel.org/stable/c/b346efa825b5e4386f19bc63f81141652d496ec4
• git.kernel.orghttps://git.kernel.org/stable/c/9531014c60c804e16099885d4a98aedcf31bce8d
• git.kernel.orghttps://git.kernel.org/stable/c/fa85d985f614bc3feb343000f14a1072e99b0df1