CVE-2026-63875

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.1% 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

Awaiting Analysis. NVD last modified this record on 2026-07-27.

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

2026-07-19 14:54Z1 MO AGO

Last updated

2026-08-05 12:36Z1 MO AGO

Reserved

2026-07-19

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-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

66ce73e35c8c88674b73438881584d4fe2926bfac657434f3da8ca08a380e383

• git.kernel.orghttps://git.kernel.org/stable/c/dced308d7d6a0de1c09d2058f38f1aaaf5cbb914
• git.kernel.orghttps://git.kernel.org/stable/c/47490bbb05c8c0e09cc3cfd237d8934ffc340583
• git.kernel.orghttps://git.kernel.org/stable/c/0199c9d57861f17b556b6cba1f765c7cce79745b
• git.kernel.orghttps://git.kernel.org/stable/c/d766a49d9b55705c4737cd8bb5d3faa2d31330fd
• git.kernel.orghttps://git.kernel.org/stable/c/8ca7284da0e67b3e71d90ec17f08286774245ad9
• git.kernel.orghttps://git.kernel.org/stable/c/fe93e907b1af03cc229a80aa64a570a103d2b279
• git.kernel.orghttps://git.kernel.org/stable/c/48125cd9c55cbe297b59fd1f9bda48b0960bd181
• git.kernel.orghttps://git.kernel.org/stable/c/c2ff4764e03e7a8d758352f4aceb8fe1be6ac971