CVE-2026-31414

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 33.0% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

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

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

2026-04-13 13:21Z4 MO AGO

Last updated

2026-08-05 12:22Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

ad962b0dbe59a85e393a72417dfae64a5a84010aa17e036b28807196174f8ec2

• git.kernel.orghttps://git.kernel.org/stable/c/847cb7fe26c5ce5dce0d1a41fac1ea488b7f1781
• git.kernel.orghttps://git.kernel.org/stable/c/e7ccaa0a62a8ff2be5d521299ce79390c318d306
• git.kernel.orghttps://git.kernel.org/stable/c/4bd1b3d839172724b33d8d02c5a4ff6a1c775417
• git.kernel.orghttps://git.kernel.org/stable/c/b53294bff19e56ada2f230ceb8b1ffde61cc3817
• git.kernel.orghttps://git.kernel.org/stable/c/3dfd3f7712b5a800f2ba632179e9b738076a51f0
• git.kernel.orghttps://git.kernel.org/stable/c/f01794106042ee27e54af6fdf5b319a2fe3df94d
• 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