CVE-2023-53577

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 4.0% 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 2026-08-04.

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-401Missing Release of Memory after Effective LifetimeVariant
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

5924f55dc32510acedbbd3b49352217c634c91f6921b98e76046a54b2b241f11

• git.kernel.orghttps://git.kernel.org/stable/c/b44d28b98f185d2f2348aa3c3636838c316f889e
• git.kernel.orghttps://git.kernel.org/stable/c/7a1178a3671b40746830d355836b72e47ceb2490
• git.kernel.orghttps://git.kernel.org/stable/c/ecb45b852af5e88257020b88bea5ff0798d72aca
• git.kernel.orghttps://git.kernel.org/stable/c/640a604585aa30f93e39b17d4d6ba69fcb1e66c9