CVE-2023-53537

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.7% 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 15:16Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

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

7bd0498bb5e5d2852068a4b9669b8b447ace139f98a69e894741be39db45d753

• git.kernel.orghttps://git.kernel.org/stable/c/b2f423fda64fb49213aa0ed5056079cf295a5df2
• git.kernel.orghttps://git.kernel.org/stable/c/9a7f63283af6befc0f91d549f4f6917dff7479a9
• git.kernel.orghttps://git.kernel.org/stable/c/7d058f0ab161437369ad6e45a4b67c2886e71373
• git.kernel.orghttps://git.kernel.org/stable/c/97ec6f1788cc6bee3f8c89cb908e1a2a1cd859bb
• git.kernel.orghttps://git.kernel.org/stable/c/af4ce124d7bd74cb839bbdaccffbb416771a56b5
• git.kernel.orghttps://git.kernel.org/stable/c/5cdb422c839134273866208dad5360835ddb9794