CVE-2023-53558

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.3% 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

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

2025-10-04 15:17Z11 MO AGO

Last updated

2026-05-11 19:47Z3 MO AGO

Reserved

2025-10-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1322Use of Blocking Code in Single-threaded, Non-blocking ContextBase

Data version

5.2

Document digest

51be8650247949488bf30cf978594a78d4877b3f7c6893985232c78892c7c749

• git.kernel.orghttps://git.kernel.org/stable/c/9027d69221ff96e1356f070f7feb2ff989ae7388
• git.kernel.orghttps://git.kernel.org/stable/c/ea9b81c7d9104040b46a84d2303045de267f5557
• git.kernel.orghttps://git.kernel.org/stable/c/5fc8cbe4cf0fd34ded8045c385790c3bf04f6785