CVE-2026-31433

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

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.3% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-04-22 08:15Z4 MO AGO

Last updated

2026-08-05 12:22Z29 DAYS AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

f6da7b93c9ccadad9690ecc6d5e20aec16140d320cec7947c37152fe2f0c5997

• git.kernel.orghttps://git.kernel.org/stable/c/3a852f9d1c981fb14f6bf4e24999e0ea8088a7d7
• git.kernel.orghttps://git.kernel.org/stable/c/4cca3eff2099b18672934a39cee70aed835d652c
• git.kernel.orghttps://git.kernel.org/stable/c/358cdaa1f7fbf2712cb4c5f6b59cb9a5c673c5fe
• git.kernel.orghttps://git.kernel.org/stable/c/7aec5a769d2356cbf344d85bcfd36de592ac96a5
• git.kernel.orghttps://git.kernel.org/stable/c/b0cd9725fe2bcc9f37d096b132318a9060373f5d
• git.kernel.orghttps://git.kernel.org/stable/c/9d7032851d6f5adbe2739601ca456c0ad3b422f0
• git.kernel.orghttps://git.kernel.org/stable/c/beef2634f81f1c086208191f7228bce1d366493d