CVE-2023-54166

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

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

EPSS percentile

Ranks above 4.5% 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 12:08Z8 MO AGO

Last updated

2026-08-05 09:17Z1 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-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

d00562f9b73701dd3a142a37c3379a5c89519f232abab105ae3066b083320017

• git.kernel.orghttps://git.kernel.org/stable/c/feba294c454a51bb1e80dd2ff038e335f07ae481
• git.kernel.orghttps://git.kernel.org/stable/c/c09df09241fdd6aa5b94a5243369662a13ec608a
• git.kernel.orghttps://git.kernel.org/stable/c/c12554d97fcd954d5c66bcd016586732cf240d0b
• git.kernel.orghttps://git.kernel.org/stable/c/d4a7ce642100765119a872d4aba1bf63e3a22c8a