CVE-2026-31667

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

0.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.8% 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

Analyzed. 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

2026-04-24 14:45Z4 MO AGO

Last updated

2026-08-05 12:24Z1 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-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.2

Document digest

166144c795ae55f9458cc45514770743440398ce404142e37cb4b1c8d4c88292

• git.kernel.orghttps://git.kernel.org/stable/c/71a9729f412e2c692a35c542e14b706fb342927f
• git.kernel.orghttps://git.kernel.org/stable/c/271ee71a1917b89f6d73ec82dd091c33d92ee617
• git.kernel.orghttps://git.kernel.org/stable/c/974f7b138c3a96dd5cd53d1b33409cd7b2229dc6
• git.kernel.orghttps://git.kernel.org/stable/c/546c18a14924eb521fe168d916d7ce28f1e13c1d
• git.kernel.orghttps://git.kernel.org/stable/c/a3d6c9c053c9c605651508569230ead633b13f76
• git.kernel.orghttps://git.kernel.org/stable/c/1e09dfbb4f5d20ee111f92325a00f85778a5f328
• git.kernel.orghttps://git.kernel.org/stable/c/1534661043c434b81cfde26b97a2fb2460329cf0
• git.kernel.orghttps://git.kernel.org/stable/c/4cda78d6f8bf2b700529f2fbccb994c3e826d7c2