CVE-2023-52904
MediumIn the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate() The subs function argument may be NULL, so do not use it before the NULL check.
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-476CVE-2023-52904 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
Affected versions
Linux kernel versions
5.15.152
and later are affected. No fixed version recorded yet.
References
The following references provide additional information about CVE-2023-52904 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/92a9c0ad86d47ff4cce899012e355c400f02cfb8
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PatchKernel patch commithttps://git.kernel.org/stable/c/a474d4ad59cd4642d1b7e3a6c08cef9eca0992c8
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PatchKernel patch commithttps://git.kernel.org/stable/c/f57204edc10760c935d8d36ea999dc8acf018030
Frequently asked questions
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What is CVE-2023-52904?
CVE-2023-52904 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 5.15.152 onward . CVE-2023-52904 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-2023-52904?
CVE-2023-52904 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-2023-52904?
No patch is currently available for CVE-2023-52904. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2023-52904 actively exploited?
No — CVE-2023-52904 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →