CVE-2026-31685

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.6% of scored records. A rank, not a probability.

NVD base score

9.4 (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:L/A:H

NVD analysis status

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

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

2026-04-25 08:47Z4 MO AGO

Last updated

2026-08-05 12:24Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.4)

CNA CVSS vector

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

Weaknesses

• CWE-1287Improper Validation of Specified Type of InputBase

Data version

5.2

Document digest

b310ed07999ce4a59310f7bab11821c258bd28a92f9e481941a670e182d93f35

• git.kernel.orghttps://git.kernel.org/stable/c/4d75bc2cd093bf5803edf512c099bfb220fd6459
• git.kernel.orghttps://git.kernel.org/stable/c/7d6a57411caf54df025860c9b1a82cd42d57a562
• git.kernel.orghttps://git.kernel.org/stable/c/d5603591373441fecf9951833d6d873e09320f08
• git.kernel.orghttps://git.kernel.org/stable/c/288138418bef956f8b295751a4536c60f0e89f4a
• git.kernel.orghttps://git.kernel.org/stable/c/9eda5478746ef7dc0e4e537b5a5e4b0ca1027091
• git.kernel.orghttps://git.kernel.org/stable/c/807d6ee15804df6f01a35c910f09612e858739a6
• git.kernel.orghttps://git.kernel.org/stable/c/309ae3e9a51a69699ca94eac5fac5688fa562d55
• git.kernel.orghttps://git.kernel.org/stable/c/fdce0b3590f724540795b874b4c8850c90e6b0a8