CVE-2026-43409

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.4% 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 14:21Z3 MO AGO

Last updated

2026-05-11 22:24Z3 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-253Incorrect Check of Function Return ValueBase

Data version

5.2

Document digest

433d75bb5f79abe9108e65904987dc0eb2b9cf2d31d1c4a730002c0b000384ce

• git.kernel.orghttps://git.kernel.org/stable/c/8b6767e4141b2a42745b544d4555cf1614ba1a2d
• git.kernel.orghttps://git.kernel.org/stable/c/b0ca81616a010807e91fc31db9be242b96326adc
• git.kernel.orghttps://git.kernel.org/stable/c/cae928e3178c75602c21d67e21255d73e7e9ed4f
• git.kernel.orghttps://git.kernel.org/stable/c/9edc79d664832a842012ad105b1521c1a3c35ab3
• git.kernel.orghttps://git.kernel.org/stable/c/e113f0b46d19626ec15388bcb91432c9a4fd6261