CVE-2026-43463

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.6% 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 14:22Z3 MO AGO

Last updated

2026-05-23 16:07Z3 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-476NULL Pointer DereferenceBase
• CWE-252Unchecked Return ValueBase

Data version

5.2

Document digest

ebc2e32f96bc14734d42112b8ebecd2f6b4150ce325a1bd97af061d72f306cf4

• git.kernel.orghttps://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75
• git.kernel.orghttps://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477
• git.kernel.orghttps://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142