CVE-2026-23231

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.6% 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 2026-07-14.

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

2026-03-04 12:58Z6 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-416Use After FreeVariant

Data version

5.2

Document digest

a15059eb065dba21612b6c05fea9a0f567e9e1e086f466fd0ed82e954acdafc7

• git.kernel.orghttps://git.kernel.org/stable/c/2a6586ecfa4ce1413daaafee250d2590e05f1a33
• git.kernel.orghttps://git.kernel.org/stable/c/7017745068a9068904e1e7a1b170a5785647cc81
• git.kernel.orghttps://git.kernel.org/stable/c/f3fe58ce37926a10115ede527d59b91bcc05400a
• git.kernel.orghttps://git.kernel.org/stable/c/dbd0af8083dd201f07c49110b2ee93710abdff28
• git.kernel.orghttps://git.kernel.org/stable/c/2f9a4ffeb763aec822f8ff3d1e82202d27d46d4b
• git.kernel.orghttps://git.kernel.org/stable/c/71e99ee20fc3f662555118cf1159443250647533
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-253495.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html