CVE-2026-23412

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 1.9% 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

Modified. 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

2026-04-02 11:40Z5 MO AGO

Last updated

2026-08-05 12:21Z1 MO AGO

Reserved

2026-01-13

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-416Use After FreeVariant
• CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

94193601fe7f1eedbcb4c67f59ad5b73624ee1175f14e634888c00364a0854e8

• git.kernel.orghttps://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0
• git.kernel.orghttps://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349
• git.kernel.orghttps://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9
• git.kernel.orghttps://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32
• git.kernel.orghttps://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a