CVE-2026-43167

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 2.2% 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

Low. 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

2026-05-06 11:27Z4 MO AGO

Last updated

2026-05-11 22:19Z3 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-911Improper Update of Reference CountBase

Data version

5.2

Document digest

2a2e76f965d151501180c2cdc07120b65c64f0e3ab1caf84ecc513da5fc8ee56

• git.kernel.orghttps://git.kernel.org/stable/c/166801e49a5b5fc127b8c9e2f110f303cfddfbc3
• git.kernel.orghttps://git.kernel.org/stable/c/a3c8fede034fa27892f87c863cbd5493167d17ed
• git.kernel.orghttps://git.kernel.org/stable/c/59581778792cbaf8ad788f4a21dc663ce986050e
• git.kernel.orghttps://git.kernel.org/stable/c/8c75c455ecd3bfd2f36abf66edb7021c4fa19ec4
• git.kernel.orghttps://git.kernel.org/stable/c/4efa91a28576054aae0e6dad9cba8fed8293aef8