CVE-2026-43408

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 3.0% 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-476NULL Pointer DereferenceBase
• CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

cd38486399ee8e2fd479a2b420b617a9484b060eaa47d60a615da379943271b3

• git.kernel.orghttps://git.kernel.org/stable/c/644b47f0574fd82aeb9d00317eca8d1f2a525c8c
• git.kernel.orghttps://git.kernel.org/stable/c/8be8911f590813e6f90bc6407ced1b23e50bc5da
• git.kernel.orghttps://git.kernel.org/stable/c/453df1f4535842bf17ff1885a225e153d7ee3374
• git.kernel.orghttps://git.kernel.org/stable/c/43323a5934b660afae687e8e4e95ac328615a5c4