CVE-2023-53400

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.3% 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

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

Red Hat severity

Low. 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

2025-09-18 13:33Z11 MO AGO

Last updated

2026-05-11 19:44Z3 MO AGO

Reserved

2025-09-17

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

4c2efdf96841411313a747d2a007fd521c346fe9cfeccdf53c0764df88fb7736

• git.kernel.orghttps://git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8a
• git.kernel.orghttps://git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6
• git.kernel.orghttps://git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4
• git.kernel.orghttps://git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825
• git.kernel.orghttps://git.kernel.org/stable/c/e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8
• git.kernel.orghttps://git.kernel.org/stable/c/dc8c569d59f17b17d7bca4f68c36bd571659921e
• git.kernel.orghttps://git.kernel.org/stable/c/fcf637461019e9a5a0c12fc5c42a9db1779b0634
• git.kernel.orghttps://git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6