CVE-2023-53477

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.1% 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

2025-10-01 11:42Z11 MO AGO

Last updated

2026-05-11 19:45Z3 MO AGO

Reserved

2025-10-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

9f00b8816cfef0e0c95d1462ae1adf20a1dfe4a8441e883b0c7196d7e3558833

• git.kernel.orghttps://git.kernel.org/stable/c/aba298b35619213ca787d08d472049627d8cd012
• git.kernel.orghttps://git.kernel.org/stable/c/da26369377f0b671c14692e2d65ceb38131053e1
• git.kernel.orghttps://git.kernel.org/stable/c/dcdddb5f490890d058ea1f194d661219e92fe88d
• git.kernel.orghttps://git.kernel.org/stable/c/e11e4d524eba2d3c8fdf897d7ce3853f7573bae9
• git.kernel.orghttps://git.kernel.org/stable/c/aa75d826c221e8d48607aef33836cf872a159cf1
• git.kernel.orghttps://git.kernel.org/stable/c/4cc59f386991ec9374cb4bc83dbe1c0b5a95033f