CVE-2026-23459

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 41.4% of scored records. A rank, not a probability.

NVD base score

8.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-21.

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

2026-04-03 15:15Z6 MO AGO

Last updated

2026-10-21 12:39Z8 DAYS AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weaknesses

• CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

62ea723e742dacfffa90b156358c790ac21acebfd3e7b640d943c4f952428bc0

• git.kernel.orghttps://git.kernel.org/stable/c/127c5e6e2d6fa8185314537c08204ec3515eae99
• git.kernel.orghttps://git.kernel.org/stable/c/e40e2d11ced8119d3e4469ebe91264bc1cf71530
• git.kernel.orghttps://git.kernel.org/stable/c/5d562153b4719234227f99c2fb529f98a6a44d15
• git.kernel.orghttps://git.kernel.org/stable/c/0d087d00161f562d5047cc4009bb0c6a19daf9f1
• git.kernel.orghttps://git.kernel.org/stable/c/8431c602f551549f082bbfa67f3003f2d8e3e132