CVE-2026-31678

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

Important. 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 08:46Z4 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-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

b1ea769496608f910b7cb8c734517cdaa35efa50dc69c554ce23e8647f8b21b8

• git.kernel.orghttps://git.kernel.org/stable/c/9d56aced21fb9c104e8a3f3be9b21fbafe448ffc
• git.kernel.orghttps://git.kernel.org/stable/c/42f0d3d81209654c08ffdde5a34b9b92d2645896
• git.kernel.orghttps://git.kernel.org/stable/c/bbe7bd722bfaea36aab3da6cc60fb4a05c644643
• git.kernel.orghttps://git.kernel.org/stable/c/98b726ab5e2a4811e27c28e4d041f75bba147eab
• git.kernel.orghttps://git.kernel.org/stable/c/b8c56a3fc5d879c0928f207a756b0f067f06c6a8
• git.kernel.orghttps://git.kernel.org/stable/c/6931d21f87bc6d657f145798fad0bf077b82486c