CVE-2023-53493

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.9% 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

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

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

2025-10-01 11:45Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-01

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

95f38d7043e3547d00f2f54b3262d956faf2db76f7143e5f21fb246d658cf802

• git.kernel.orghttps://git.kernel.org/stable/c/57d14cb3bae4619ce2fb5235cb318c3d5d8f53fd
• git.kernel.orghttps://git.kernel.org/stable/c/51b56382ed2a2b03347372272362b3baa623ed1e