CVE-2023-53806

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 3.7% 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

Deferred. NVD last modified this record on 2026-08-04.

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

2025-12-09 00:01Z9 MO AGO

Last updated

2026-08-05 09:16Z1 MO AGO

Reserved

2025-12-08

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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

7c35bcdc8890dbd37cab46b8a41735c9e07fbf50bd0b920139ebdd12e3d498c5

• git.kernel.orghttps://git.kernel.org/stable/c/92e6c79acad4b96efeff261d27bdbd8089a7dd24
• git.kernel.orghttps://git.kernel.org/stable/c/375d192eb1f1d9229a6d994da7ba31f3582b106b
• git.kernel.orghttps://git.kernel.org/stable/c/9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0