What’s Vulnerable › Vulnerabilities

CVE-2023-53318: recordmcount: Fix memory leaks in the uwrite function

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-16 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: recordmcount: Fix memory leaks in the uwrite function Common realloc mistake: 'file_append' nulled but not freed upon failure

Affected products

• Linux kernel: before 4.14.316; from 4.15 before 4.19.284; from 4.20 before 5.4.244; from 5.5 before 5.10.181; from 5.11 before 5.15.113; from 5.16 before 6.1.30 — fixed in 4.14.316, 4.19.284, 5.10.181, 5.15.113, 5.4.244, 6.1.30

How to fix

Upgrade to a fixed version: Linux kernel 4.14.316, 4.19.284, 5.10.181, 5.15.113. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/25c9b185f121812cbc215fdaa1192c6b9025b428
• https://git.kernel.org/stable/c/2d9ca5f62f2ba160ff9c9be4adf401c46c04edef
• https://git.kernel.org/stable/c/3ed95a6f6c646e8bb15c354536e0ab10e8f39c08
• https://git.kernel.org/stable/c/444ec005404cead222ebce2561a9451c9ee5ad89
• https://git.kernel.org/stable/c/895130e63c93926f07caf5db286b97bd27b81de9
• https://git.kernel.org/stable/c/bd39f68a309a947670379bf9a39b16c584f86ddb
• https://git.kernel.org/stable/c/fa359d068574d29e7d2f0fdd0ebe4c6a12b5cfb9
• https://git.kernel.org/stable/c/ff70ad9159fbb566b2c15724f44207e8deccd527

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