CVE-2023-53540

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.8% 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

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 15:16Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

08f94543aaa9ffa4b88c6e03276622a87f86e2d8a15cf370b7051bb655c6d03c

• git.kernel.orghttps://git.kernel.org/stable/c/676a423410131d111a264d29aecbe6aadd57fb22
• git.kernel.orghttps://git.kernel.org/stable/c/07added2c6cd63de047bc786b39436322abb67c0
• git.kernel.orghttps://git.kernel.org/stable/c/5d4e04bf3a0f098bd9033de3a5291810fa14c7a6