CVE-2026-43404

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

0.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.7% 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

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

2026-05-08 14:21Z3 MO AGO

Last updated

2026-05-11 22:23Z3 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-667Improper LockingClass
• CWE-413Improper Resource LockingBase

Data version

5.2

Document digest

06e5d842166b3982e4ef6175dd606621278b9432519a39cbfbdd1d94a16d098d

• git.kernel.orghttps://git.kernel.org/stable/c/94b6d0ba4b640ba23bb6c708a59316e74e5ede63
• git.kernel.orghttps://git.kernel.org/stable/c/7e6e2fc91d4b9b12ec6e137019532568ebcf2680
• git.kernel.orghttps://git.kernel.org/stable/c/b570f37a2ce480be26c665345c5514686a8a0274