CVE-2026-43374

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.6% 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 2026-06-17.

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

2026-08-05 12:27Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

d22529e85481a5a8c518f0fe0c10d8e939e0c0efd856ecd89dd20c96e0072e23

• git.kernel.orghttps://git.kernel.org/stable/c/abf4feaee6405f1441929c6ebe7a250f2cd170a7
• git.kernel.orghttps://git.kernel.org/stable/c/ab5ebab9664214ba41a7633cb4e72f128204f924
• git.kernel.orghttps://git.kernel.org/stable/c/9e08ad731862b22a87cc55f752e16d66cdc9e231
• git.kernel.orghttps://git.kernel.org/stable/c/b2662e7593e94ae09b1cf7ee5f09160a3612bcb2