CVE-2026-23398

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

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

2026-03-26 10:22Z5 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-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

2471d8b4a704f4ca2238a743e1747cdc6fae2f00062e6b1a6511e4db408c54e1

• git.kernel.orghttps://git.kernel.org/stable/c/571d9d7b650f02d1e38c01128817868bceac9edd
• git.kernel.orghttps://git.kernel.org/stable/c/d783fa413c702ff0f8f8bea63f862e28eeaf39e3
• git.kernel.orghttps://git.kernel.org/stable/c/1f9f2c6d4b2a613b7756fc5679c5116ba2ca0161
• git.kernel.orghttps://git.kernel.org/stable/c/b61529c357f1ee4d64836eb142a542d2e7ad67ce
• git.kernel.orghttps://git.kernel.org/stable/c/9647e99d2a617c355d2b378be0ff6d0e848fd579
• git.kernel.orghttps://git.kernel.org/stable/c/d938dd5a0ad780c891ea3bc94cae7405f11e618a
• git.kernel.orghttps://git.kernel.org/stable/c/1e4e2f5e48cec0cccaea9815fb9486c084ba41e2
• git.kernel.orghttps://git.kernel.org/stable/c/614aefe56af8e13331e50220c936fc0689cf5675
• 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