CVE-2026-64043

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

0.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 0.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-05.

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

2026-07-19 15:39Z3 MO AGO

Last updated

2026-07-19 15:39Z3 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-413Improper Resource LockingBase
• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

fefb82e2d93afb311ae3b10b00826ccd48174d083c685e7edac6da6134666d06

• git.kernel.orghttps://git.kernel.org/stable/c/097d62df38314c14b88fab9096f3461baf158e2b
• git.kernel.orghttps://git.kernel.org/stable/c/de9fec2a6645f5b4d23398cd870a33e2703728d9
• git.kernel.orghttps://git.kernel.org/stable/c/982422b11e6f95f766a8cd2c2b1cbdb77e234a61