CVE-2023-53557

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 3.9% 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 2026-08-04.

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

2025-10-04 15:17Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-04

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-366Race Condition within a ThreadBase

Data version

5.2

Document digest

6701a0bffd6b24895d32b069d58406ff7a53ad4d3097ffe27aa7d4c1824b13ce

• git.kernel.orghttps://git.kernel.org/stable/c/ce3ec57faff559ccae1e0150c1f077eb2df648a4
• git.kernel.orghttps://git.kernel.org/stable/c/03d63255a5783243c110aec5e6ae2f1475c3be76
• git.kernel.orghttps://git.kernel.org/stable/c/5f81018753dfd4989e33ece1f0cb6b8aae498b82