CVE-2026-31721

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 2.6% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. 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 14:14Z4 MO AGO

Last updated

2026-05-11 22:14Z3 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-821Incorrect SynchronizationBase

Data version

5.2

Document digest

bfaa825a4888feb8d6a34a1c970fdf323835159c048eba7cc5bdc2ea8bc87513

• git.kernel.orghttps://git.kernel.org/stable/c/13440c0db227c5db01da751ed966dde4cdd2ea18
• git.kernel.orghttps://git.kernel.org/stable/c/de93e0862169b5539e00c2b9980b93fd80c37c0d
• git.kernel.orghttps://git.kernel.org/stable/c/81aee4500055876883658b024b6fb61801afe134
• git.kernel.orghttps://git.kernel.org/stable/c/8ec6a58586f195a88479edcdb0b8027c39f12d03
• git.kernel.orghttps://git.kernel.org/stable/c/f7d00ee1c8082c8a134340aaf16d71a27e29c362
• git.kernel.orghttps://git.kernel.org/stable/c/5d1bb391ceeebb28327703dd07af8c6324af298f
• git.kernel.orghttps://git.kernel.org/stable/c/26a879a41ed960b3fb4ec773ef2788c515c0e488
• git.kernel.orghttps://git.kernel.org/stable/c/4e0a88254ad59f6c53a34bf5fa241884ec09e8b2