CVE-2026-63975

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

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.1% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

ac73a62d4c041ff5b92ffad99b7be8687aabe8066ce748cb9b5d5959547580a9

• git.kernel.orghttps://git.kernel.org/stable/c/3c8eaa91eb433c450426539290be4ffe282e9f00
• git.kernel.orghttps://git.kernel.org/stable/c/ecfed1e0d8efecad6737a0d83e21d2fd021d8c48
• git.kernel.orghttps://git.kernel.org/stable/c/e6833e737a51db1e5ea0401322acf5e22abd8be6
• git.kernel.orghttps://git.kernel.org/stable/c/6319b38fe69f56ed95680ade485b957a53fff642
• git.kernel.orghttps://git.kernel.org/stable/c/291eec1041c918c460dc9702e44edd17794b4a4b
• git.kernel.orghttps://git.kernel.org/stable/c/41e29548b5e8b5e5fcf708786b3bea67cab107fa
• git.kernel.orghttps://git.kernel.org/stable/c/d153b8898c0051eb8b6a083b35cbe304a5886bd5
• git.kernel.orghttps://git.kernel.org/stable/c/41c2713b204e6cb6a94587bc6bf6935107df5479