CVE-2026-53263

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.6% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-08.

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

2026-06-25 08:39Z2 MO AGO

Last updated

2026-06-25 08:39Z2 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-193Off-by-one ErrorBase

Data version

5.2

Document digest

59993417102a2189817d2f11ea56d58d31599a0655c91e1ca59b4865a10a0135

• git.kernel.orghttps://git.kernel.org/stable/c/f24a58c72a45f4c109f3557a760cc4b60b7a6037
• git.kernel.orghttps://git.kernel.org/stable/c/da8cbb64b47e9066b40af0de170901caf17b768c
• git.kernel.orghttps://git.kernel.org/stable/c/4485d79617520d84ba5a14515e2b5136007d6deb
• git.kernel.orghttps://git.kernel.org/stable/c/06ce6fc106b16dec9b535950db626261be865e5b
• git.kernel.orghttps://git.kernel.org/stable/c/dcb1bec1c32ee5c3878354e087cf5dbee2b7c7af
• git.kernel.orghttps://git.kernel.org/stable/c/c32f30ef5e66adbfa102348e2e8a23776eb007cb
• git.kernel.orghttps://git.kernel.org/stable/c/da8808463882c3f3c357b072e25053c2121f1419
• git.kernel.orghttps://git.kernel.org/stable/c/2a58899d11009bffc7b4b32a571858f381121837