CVE-2026-43376

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

2026-05-08 14:21Z3 MO AGO

Last updated

2026-08-05 12:27Z29 DAYS AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-763Release of Invalid Pointer or ReferenceBase

Data version

5.2

Document digest

e512b7add0cada39f82fe8dba65e4509833ace3f33317cbcec3bc82e6e5f236d

• git.kernel.orghttps://git.kernel.org/stable/c/302fef75512b2c8329a3f5efab1ae7ba2562387a
• git.kernel.orghttps://git.kernel.org/stable/c/08aa9f3c8cf4d0bee44df540dfe34e8d64069f2c
• git.kernel.orghttps://git.kernel.org/stable/c/1d6abf145615dbfe267ce3b0a271f95e3780e18e
• git.kernel.orghttps://git.kernel.org/stable/c/ce8507ee82c888126d8e7565e27c016308d24cde
• git.kernel.orghttps://git.kernel.org/stable/c/1dfd062caa165ec9d7ee0823087930f3ab8a6294