CVE-2026-43324

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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 13:31Z3 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-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

3767d55239b8e3ce4936a6a406937b3279a18e7a8d5ebea84d8fe17a0187c479

• git.kernel.orghttps://git.kernel.org/stable/c/d847f375b1bcea713143bc02720d13d2d01b012a
• git.kernel.orghttps://git.kernel.org/stable/c/cbf7df5e5d27cd5bea92ee9a75a4b28dbcc718d4
• git.kernel.orghttps://git.kernel.org/stable/c/5aa776c8615bea3b1eaeec87b0788375800ead4f
• git.kernel.orghttps://git.kernel.org/stable/c/94d4fab1dd9e64f45449bcc7d6a5acf796b13015
• git.kernel.orghttps://git.kernel.org/stable/c/5687a09776069bd915560021c9728ca528440128
• git.kernel.orghttps://git.kernel.org/stable/c/8bcd80219d8e10e660bf29b20e41bb8beb4e4cb7
• git.kernel.orghttps://git.kernel.org/stable/c/2ca9e46f8f1f5a297eb0ac83f79d35d5b3a02541