CVE-2026-31705

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. 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

2026-05-01 13:56Z4 MO AGO

Last updated

2026-08-05 12:24Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

5f366aaabbcdf1c0ec63f6e63be4850850afe70fdecf48078f349f1f90f80ac9

• git.kernel.orghttps://git.kernel.org/stable/c/ddbbc8b2a09dd2cfed90871313e3691ae1db08a2
• git.kernel.orghttps://git.kernel.org/stable/c/ffbce350c6fd1e99116ea57383b9031717e36d3b
• git.kernel.orghttps://git.kernel.org/stable/c/98f3de6ef4efbd899348d333f0902dc4ff14380c
• git.kernel.orghttps://git.kernel.org/stable/c/790304c02bf9bd7b8171feda4294d6e62d32ae8f
• git.kernel.orghttps://git.kernel.org/stable/c/922d48fe8c19f388ffa2f709f33acaae4e408de2
• git.kernel.orghttps://git.kernel.org/stable/c/30010c952077a1c89ecdd71fc4d574c75a8f5617