CVE-2026-53216

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

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.1% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-02.

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

2026-06-25 08:39Z2 MO AGO

Last updated

2026-08-05 12:34Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

95e7d257e616216006be1eb8df48b220b0252a3897f773e6da83b311f3c5f626

• git.kernel.orghttps://git.kernel.org/stable/c/a3ee9231ccec6ec3be2de89c56f897055fd9eab1
• git.kernel.orghttps://git.kernel.org/stable/c/ec8e1e5842bc0dbd4c272761f4db3651eecd0339
• git.kernel.orghttps://git.kernel.org/stable/c/3b8b0c3631b19faee53f0d15a49924129b063eec
• git.kernel.orghttps://git.kernel.org/stable/c/994bd2b58d2bd08aa97ec0836cc813cfcb00d749
• git.kernel.orghttps://git.kernel.org/stable/c/910617a4e67dbdd5fdb39d9dc6a51e491e1b2c3e
• git.kernel.orghttps://git.kernel.org/stable/c/9545cc5ef18ca22d031f2f47c157192460652359
• git.kernel.orghttps://git.kernel.org/stable/c/f3c6aa078927e6fe8121c9c591ddee8716c5305a