CVE-2026-23321

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.4% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

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

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

2026-03-25 10:27Z5 MO AGO

Last updated

2026-07-14 12:46Z1 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

3c1b5fef560cfd9ea4a8385d9c6135169167f67af91c85e70bda0950b00843f1

• git.kernel.orghttps://git.kernel.org/stable/c/c5c877e140e5f46023a74a51e577ce5edd0a4be7
• git.kernel.orghttps://git.kernel.org/stable/c/05799c2f1ca5eb13d65764dda688d02021b65e06
• git.kernel.orghttps://git.kernel.org/stable/c/67f34ab318807989b57dfdb0f79e2d4e57018290
• git.kernel.orghttps://git.kernel.org/stable/c/a64aa7db39392add5be09dffaedbf1f0ce5554df
• git.kernel.orghttps://git.kernel.org/stable/c/198824ccfa64ffebd918bf99c939bd8170a4a4d8
• git.kernel.orghttps://git.kernel.org/stable/c/579a752464a64cb5f9139102f0e6b90a1f595ceb
• 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