CVE-2023-54243

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

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

EPSS percentile

Ranks above 4.1% 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

Deferred. NVD last modified this record on 2026-08-04.

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

2025-12-30 12:11Z8 MO AGO

Last updated

2026-08-05 09:18Z1 MO AGO

Reserved

2025-12-30

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

a6b79e19a7c80f18681425848baf9359317c734ef60468b0fd711ac484494cec

• git.kernel.orghttps://git.kernel.org/stable/c/9060abce3305ab2354c892c09d5689df51486df5
• git.kernel.orghttps://git.kernel.org/stable/c/dbb3cbbf03b3c52cb390fabec357f1e4638004f5
• git.kernel.orghttps://git.kernel.org/stable/c/3dd6ac973351308d4117eda32298a9f1d68764fd
• git.kernel.orghttps://git.kernel.org/stable/c/cda0e0243bd3c04008fcd37a46b0269fb3c49249
• git.kernel.orghttps://git.kernel.org/stable/c/e58a171d35e32e6e8c37cfe0e8a94406732a331f