CVE-2026-63815

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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 2026-08-17.

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

2026-07-19 12:02Z1 MO AGO

Last updated

2026-08-17 04:51Z19 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

51e97d2ff3b2fde9b4e856707e64698c9987bd3647ed8cd15ee091c64001768e

• git.kernel.orghttps://git.kernel.org/stable/c/3c8d6b4093aea40a20596f452289e7c22d84e6d5
• git.kernel.orghttps://git.kernel.org/stable/c/a08ee30dcbeff6b97df75c38c2589603ddde53a6
• git.kernel.orghttps://git.kernel.org/stable/c/c3e05522daae4e7348a1ea81eeb321d25aa0fd3b
• git.kernel.orghttps://git.kernel.org/stable/c/76e1a05cf6d4051931d7fa4ead51a05786a62918
• git.kernel.orghttps://git.kernel.org/stable/c/2a9f9791653ba5ed3fb45bbffa8d63a7cd5cf706
• git.kernel.orghttps://git.kernel.org/stable/c/4ce2d52f680c1d8bfdad7cce05b815ea7ca9790d
• git.kernel.orghttps://git.kernel.org/stable/c/16bc237ce3c483b75575abea53cfb639745311ed
• git.kernel.orghttps://git.kernel.org/stable/c/378acf3cf19b6af6cba55e8dd1154c4e1504bae8