CVE-2026-31515

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.9% 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

2026-04-22 13:54Z4 MO AGO

Last updated

2026-07-14 12:48Z1 MO AGO

Reserved

2026-03-09

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
• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

ae86e9e9410b68b0e9f23c79429e4966840637ab0b1a547056cb59d8d7a7637f

• git.kernel.orghttps://git.kernel.org/stable/c/d0c5aa8dd38887714f1aad04236a3620b56a5e4e
• git.kernel.orghttps://git.kernel.org/stable/c/e06b596fc4eb01936a2e5dccad17c946d660bab8
• git.kernel.orghttps://git.kernel.org/stable/c/8ddf8de7e758f6888988467af9ffc8adf589fb16
• git.kernel.orghttps://git.kernel.org/stable/c/d3225e6b9bd51ec177970a628fe4b11237ce87d5
• git.kernel.orghttps://git.kernel.org/stable/c/7b18692c59afb8e5c364c8e3ac01e51dd6b52028
• git.kernel.orghttps://git.kernel.org/stable/c/83f644ea92987c100b82d8481ae2230faeed3d34
• git.kernel.orghttps://git.kernel.org/stable/c/ee836e820a40e2ca4da8af7310bff92d586772d4
• git.kernel.orghttps://git.kernel.org/stable/c/eb2d16a7d599dc9d4df391b5e660df9949963786
• 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