CVE-2023-53420

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

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

7.1 (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:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

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

2025-09-18 16:04Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-09-17

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

fc67b4dcc0369a569b89bf0c8a333cfc70b39b9e0e8629052af41c119644b9e6

• git.kernel.orghttps://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1
• git.kernel.orghttps://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994
• git.kernel.orghttps://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88
• git.kernel.orghttps://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2