CVE-2023-53559

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 3.7% 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

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

2026-08-05 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-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

e9125a1aac42bab5dd9f2e002cb69b268ebe773a3d94869db00b82dd9b9ea52e

• git.kernel.orghttps://git.kernel.org/stable/c/82fb41c5de243e7dfa90f32ca58e35adaff56c1d
• git.kernel.orghttps://git.kernel.org/stable/c/7dfe23659f3677c08a60a0056cda2d91a79c15ca
• git.kernel.orghttps://git.kernel.org/stable/c/d34c30442d5e53a33cde79ca163320dbe2432cbd
• git.kernel.orghttps://git.kernel.org/stable/c/0b4d69539fdea138af2befe08893850c89248068
• git.kernel.orghttps://git.kernel.org/stable/c/e1e04cc2ef2c0c0866c19f5627149a76c2baae32
• git.kernel.orghttps://git.kernel.org/stable/c/2b05bf5dc437f7891dd409a3eaf5058459391c7a
• git.kernel.orghttps://git.kernel.org/stable/c/78e397a43e1c47321a4679cc49a6c4530bf820b9
• git.kernel.orghttps://git.kernel.org/stable/c/6018a266279b1a75143c7c0804dd08a5fc4c3e0b