CVE-2026-23239

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

0.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.1% 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

2026-03-10 17:28Z5 MO AGO

Last updated

2026-08-05 12:20Z1 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-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

4fbc0028402a08134ad0917a649be85b867a291763db5b9277f45b7dee92ddea

• git.kernel.orghttps://git.kernel.org/stable/c/f7ad8b1d0e421c524604d5076b73232093490d5c
• git.kernel.orghttps://git.kernel.org/stable/c/664e9df53226b4505a0894817ecad2c610ab11d8
• git.kernel.orghttps://git.kernel.org/stable/c/022ff7f347588de6e17879a1da6019647b21321b
• git.kernel.orghttps://git.kernel.org/stable/c/e1512c1db9e8794d8d130addd2615ec27231d994