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Vulnerabilities

Vulnerability · CVE-2023-53318

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

Published Sep 16, 2025 · catalog updated May 23, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2023-53318. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Version ranges on file
Affected products
vendor Linux Linux a50bd43935586420fb75f4558369eb08566fac5e <3ed95a6f6c646e8bb15c354536e0ab10e8f39c08

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux a50bd43935586420fb75f4558369eb08566fac5e <3ed95a6f6c646e8bb15c354536e0ab10e8f39c08a50bd43935586420fb75f4558369eb08566fac5e <3ed95a6f6c646e8bb15c354536e0ab10e8f39c08

How to fix CVE-2023-53318

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53318. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux a50bd43935586420fb75f4558369eb08566fac5e <3ed95a6f6c646e8bb15c354536e0ab10e8f39c08 a50bd43935586420fb75f4558369eb08566fac5e <3ed95a6f6c646e8bb15c354536e0ab10e8f39c08. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 16, 2025 · EUVD

    Detected

    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

  2. May 23, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2023-53318

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53318

    30-day exploitation probability 0.16%

    first.org
  • EUVDVulnerability recordEUVD-2023-59943

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.