CVE-2026-43138

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 3.4% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-05-06 11:27Z4 MO AGO

Last updated

2026-05-11 22:18Z3 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-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

a3d6cb77d8fd6c287bbff790892c8046ff65bce14b199d9d60591c4fb67d6a5a

• git.kernel.orghttps://git.kernel.org/stable/c/09d6efc6abd42809956d598906c222ccd1c8ae92
• git.kernel.orghttps://git.kernel.org/stable/c/76801c3dfca0ac6339a23e9615b5f23e25b8644c
• git.kernel.orghttps://git.kernel.org/stable/c/1d7d869f074f98c34fe23f6a56e5f3acc1f95a2b
• git.kernel.orghttps://git.kernel.org/stable/c/16de4c6a8fe9ff497ca1aba33ef0dbee09f11952