CVE-2026-43090

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

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 07:40Z4 MO AGO

Last updated

2026-05-11 22:17Z3 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

40f209f2cfda70d4d866cd14e964572d6ff4f0356a4528108b8319249551d80b

• git.kernel.orghttps://git.kernel.org/stable/c/21e235a36cfb6d145cefb10728f12f5dc5412f54
• git.kernel.orghttps://git.kernel.org/stable/c/836ee1b0426ea3db31531e9581cc32f513d24e32
• git.kernel.orghttps://git.kernel.org/stable/c/70c2a89a3bc207c3bfbf6f21bb439809e0a4a27a
• git.kernel.orghttps://git.kernel.org/stable/c/83317cce60a032c49480dcdabe146435bd689d03