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VulnerabilityPublished Updated

CVE-2024-53239: Linux kernel · ALSA: 6fire: Release resources at card release

Source GCVE Database

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Not known to be exploited · CVSS 7.8 High.

Data as of 30 Oct 2026, 00:48 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Dec 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

A fix has been implemented in the Linux kernel to address this issue by changing the resource release timing in the ALSA 6fire driver. Users should update their Linux kernel to a version that includes this fix once it is released. No additional mitigation steps are indicated in the advisory.

Description

CVE-2024-53239 is a high-severity use-after-free vulnerability in the ALSA 6fire driver of the Linux kernel. The issue arises because resources are released prematurely during USB disconnect, while the card object may still be in use. This flaw has been fixed by moving resource release to the card's private_free function, preventing potential use-after-free conditions.

References

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