CVE-2023-53443

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 16:04Z11 MO AGO

Last updated

2026-05-11 19:45Z3 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-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

f6d9d2c74f9a4852a60651917006ba5c7ce26ca44b416ef8c7ddd570d124e716

• git.kernel.orghttps://git.kernel.org/stable/c/7195e642b49af60d4120fa1b45bd812ba528174f
• git.kernel.orghttps://git.kernel.org/stable/c/754e81ff44061dda68da0fd4ef51bd1aa9fbf2cf
• git.kernel.orghttps://git.kernel.org/stable/c/5a47bb71b1a94a279144fc3031d3c4591b38dd16
• git.kernel.orghttps://git.kernel.org/stable/c/9893771097b22a8743a446e45994a177795ca4da
• git.kernel.orghttps://git.kernel.org/stable/c/dc9437e9889c3dacf1f320e3cf08da74127573fe
• git.kernel.orghttps://git.kernel.org/stable/c/4414a7ab80cebf715045e3c4d465feefbad21139