CVE-2026-31563

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

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.0% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-14.

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

2026-04-24 14:35Z4 MO AGO

Last updated

2026-08-05 12:23Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

1d610c99f4c7f5bc92bda4af6f63df16d57863bd87cc7a1fe3c85662b91adb49

• git.kernel.orghttps://git.kernel.org/stable/c/92e7081f0c79d9073087e54bab745bb184192c2e
• git.kernel.orghttps://git.kernel.org/stable/c/78c8b090a3d5c1689dc989861b0163180db2b3f8
• git.kernel.orghttps://git.kernel.org/stable/c/984350b37372f79f71d4f0a5264c640e40daf9ce
• git.kernel.orghttps://git.kernel.org/stable/c/f4bc91398b579730284328322365afa77a9d568f
• git.kernel.orghttps://git.kernel.org/stable/c/ca4d05afb4683d685bb2c6fccae4386c478f524a
• git.kernel.orghttps://git.kernel.org/stable/c/647b8a2fe474474704110db6bd07f7a139e621eb
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html