CVE-2026-31768

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 3.0% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-05-01 14:14Z4 MO AGO

Last updated

2026-08-05 12:25Z1 MO AGO

Reserved

2026-03-09

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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

bf3ea5bb5e61cf10d6cdc24b33e624efb720a23b401428618929b77c2ef0de5e

• git.kernel.orghttps://git.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947
• git.kernel.orghttps://git.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054
• git.kernel.orghttps://git.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782
• git.kernel.orghttps://git.kernel.org/stable/c/014c6d27878d3883f7bb065610768fd021de1a96
• git.kernel.orghttps://git.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199
• git.kernel.orghttps://git.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6ad
• 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