CVE-2024-39491
MediumIn the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l56: Fix lifetime of cs_dsp instance The cs_dsp instance is initialized in the driver probe() so it should be freed in the driver remove(). Also fix a missing call to cs_dsp_remove() in the error path of cs35l56_hda_common_probe(). The call to cs_dsp_remove() was being done in the component unbind callback cs35l56_hda_unbind(). This meant that if the driver was unbound and then re-bound it would be using an uninitialized cs_dsp instance. It is best to initialize the cs_dsp instance in probe() so that it can return an error if it fails. The component binding API doesn't have any error handling so there's no way to handle a failure if cs_dsp was initialized in the bind.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-908CVE-2024-39491 is classified as CWE-908
See CWE-908 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2024-39491 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/60d5e087e5f334475b032ad7e6ad849fb998f303
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PatchKernel patch commithttps://git.kernel.org/stable/c/9054c474f9c219e58a441e401c0e6e38fe713ff1
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PatchKernel patch commithttps://git.kernel.org/stable/c/d344873c4cbde249b7152d36a273bcc45864001e
Frequently asked questions
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What is CVE-2024-39491?
CVE-2024-39491 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2024-39491 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2024-39491?
CVE-2024-39491 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2024-39491?
No patch is currently available for CVE-2024-39491. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2024-39491 actively exploited?
No — CVE-2024-39491 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.