CVE-2023-53377

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 ImpacttotalSuccessful exploitation gives total 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

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

EPSS percentile

Ranks above 4.6% 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 2026-06-17.

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

2025-09-18 13:33Z11 MO AGO

Last updated

2026-08-05 09:13Z1 MO AGO

Reserved

2025-09-17

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-416Use After FreeVariant

Data version

5.2

Document digest

5c01fbaddcea76d22f6ccf5b65edab186fa0a1b10a91df4932c205bc2149d976

• git.kernel.orghttps://git.kernel.org/stable/c/4fe07d55a5461e66a55fbefb57f85ff0facea32b
• git.kernel.orghttps://git.kernel.org/stable/c/b6353518ef8180816e863aa23b06456f395404d6
• git.kernel.orghttps://git.kernel.org/stable/c/d017880782cf71f8820ee4a2002843893176501d
• git.kernel.orghttps://git.kernel.org/stable/c/33f736187d08f6bc822117629f263b97d3df4165