CVE-2026-43366

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-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

49b06f468e0ed046eef707826a29e3c365b24e2cf6996bdfd0d45c36242c27b6

• git.kernel.orghttps://git.kernel.org/stable/c/a7b33671e418fca507feebd1d56e7f4952a4b25c
• git.kernel.orghttps://git.kernel.org/stable/c/439a6728ec4641ffad1ca796622c19bc525e570f
• git.kernel.orghttps://git.kernel.org/stable/c/f3fb54e7a8b4aadcc2836ee463eec8c88709b8aa
• git.kernel.orghttps://git.kernel.org/stable/c/50ad880db3013c6fee0ef13781762a39e2e7ef83
• git.kernel.orghttps://git.kernel.org/stable/c/97b57f69fee1b61b41acbf37e7720cac9d389fa4
• git.kernel.orghttps://git.kernel.org/stable/c/c2c185be5c85d37215397c8e8781abf0a69bec1f