CVE-2026-31557

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.5% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/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 14:35Z4 MO AGO

Last updated

2026-08-05 12:23Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-833DeadlockBase

Data version

5.2

Document digest

fdcdb4e5b44023196af309f5b3596611acaaad7f0208d04d09895e2a29f1fed5

• git.kernel.orghttps://git.kernel.org/stable/c/49c7c50ee6325a084216e94395e067ecde8088fa
• git.kernel.orghttps://git.kernel.org/stable/c/ca111c9d8d6c9d5735878d933a1716c4be86c2d1
• git.kernel.orghttps://git.kernel.org/stable/c/25ceffc1dabec3b93f458b437aae26f4da293f87
• git.kernel.orghttps://git.kernel.org/stable/c/2922e3507f6d5caa7f1d07f145e186fc6f317a4e