CVE-2026-31455

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 2.7% 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

2026-04-22 13:53Z4 MO AGO

Last updated

2026-05-11 22:09Z3 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

fd59c13aee04ac653ee45674bfe3c9fe4e9873f44659495759fc56a1c1e3d08d

• git.kernel.orghttps://git.kernel.org/stable/c/e6cc490048f78b009259a5f032acead9f789c34c
• git.kernel.orghttps://git.kernel.org/stable/c/239d734c00644072862fa833805c4471573b1445
• git.kernel.orghttps://git.kernel.org/stable/c/bda27fc0b4eb3a425d9a18475c4cb94fbe862c60
• git.kernel.orghttps://git.kernel.org/stable/c/d38135af04a3ad8a585c899d176efc8e97853115
• git.kernel.orghttps://git.kernel.org/stable/c/a89434a6188d8430ea31120da96e3e4cefb58686
• git.kernel.orghttps://git.kernel.org/stable/c/8147e304d7d32fd5c3e943babc296ce2873dc279
• git.kernel.orghttps://git.kernel.org/stable/c/558e3275d8a3b101be18a7fe7d1634053e9d9b07
• git.kernel.orghttps://git.kernel.org/stable/c/4f24a767e3d64a5f58c595b5c29b6063a201f1e3