CVE-2026-43309

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.2% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-05-08 13:11Z3 MO AGO

Last updated

2026-05-23 16:06Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-833DeadlockBase

Data version

5.2

Document digest

3242c478ce359555663ed7fa06f7a2edeae0940cda3f387553b1abbd63434a65

• git.kernel.orghttps://git.kernel.org/stable/c/24783dd06de870d646c25207bae186f78195f912
• git.kernel.orghttps://git.kernel.org/stable/c/338378dfffbdbb8d37a18f0a0c0358812671f91e
• git.kernel.orghttps://git.kernel.org/stable/c/cefcb9297fbdb6d94b61787b4f8d84f55b741470