CVE-2023-53021

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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 9.2% 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

Analyzed. 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

2025-03-27 16:43Z1 YR AGO

Last updated

2026-08-05 09:12Z1 MO AGO

Reserved

2025-03-27

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

9446ec807ccd6d623524ede125daba27ebc96e5dcb350bee5bed6c3690909404

• git.kernel.orghttps://git.kernel.org/stable/c/1200388a0b1c3c6fda48d4d2143db8f7e4ef5348
• git.kernel.orghttps://git.kernel.org/stable/c/c60fe70078d6e515f424cb868d07e00411b27fbc
• git.kernel.orghttps://git.kernel.org/stable/c/c53acbf2facfdfabdc6e6984a1a38f5d38b606a1
• git.kernel.orghttps://git.kernel.org/stable/c/d3b2d2820a005e43855fa71b80c4a4b194201c60
• git.kernel.orghttps://git.kernel.org/stable/c/3a415d59c1dbec9d772dbfab2d2520d98360caae