CVE-2026-63980

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 36.7% 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

Awaiting Analysis. NVD last modified this record on 2026-07-30.

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

2026-07-19 14:56Z1 MO AGO

Last updated

2026-08-05 12:37Z1 MO AGO

Reserved

2026-07-19

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

b68dbd7d1f3866d55db3ffec997060122e3c83e8f47aefd48b82a12f45c485a4

• git.kernel.orghttps://git.kernel.org/stable/c/06ab5978866fc2221b910347fd3e510ca8e7b1a4
• git.kernel.orghttps://git.kernel.org/stable/c/0866569fc36a56f568acd3900d354e3505932e09
• git.kernel.orghttps://git.kernel.org/stable/c/91898de9501a047ba67c6b864dcd403e00bdfbf5
• git.kernel.orghttps://git.kernel.org/stable/c/cc993e0927ec8bd98ea33377ada03295fcda0f24