In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/conexant: Fix missing error check for jack detection In cx_probe(), the return value of snd_hda_jack_detect_enable_callback() is ignored. This function returns a pointer, and if it fails (e.g., due to memory allocation failure), it returns an error pointer which must be checked using IS_ERR(). If the registration fails, the driver continues to probe, but the jack detection callback will not be registered. This can lead to a kernel crash later when the driver attempts to handle jack events or accesses the uninitialized structure. Check the return value using IS_ERR() and propagate the error via PTR_ERR() to the probe caller.

Metrics

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No CVSS v3.1

No CVSS v3.0

No CVSS v2

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Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

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References
Link Providers
https://git.kernel.org/stable/c/1da5c73f3793b224696617a2a21def7500ba18d6 cve-icon
https://git.kernel.org/stable/c/49c2c5924552e1d2f8b635dee663abebbb7cf63b cve-icon
https://git.kernel.org/stable/c/a2a33e87a2ffce3046c574d24eec4390c27c9365 cve-icon
https://git.kernel.org/stable/c/b0e2333a231107adedd38c6fcfe1adc6162716fc cve-icon
https://git.kernel.org/stable/c/d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80 cve-icon
https://git.kernel.org/stable/c/dd110cc00cf854a8ecd8d003127a4178c28574ea cve-icon
https://git.kernel.org/stable/c/f837c7b85143a7c54140ff41ad5c076b73cd9933 cve-icon
History

Fri, 26 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/conexant: Fix missing error check for jack detection In cx_probe(), the return value of snd_hda_jack_detect_enable_callback() is ignored. This function returns a pointer, and if it fails (e.g., due to memory allocation failure), it returns an error pointer which must be checked using IS_ERR(). If the registration fails, the driver continues to probe, but the jack detection callback will not be registered. This can lead to a kernel crash later when the driver attempts to handle jack events or accesses the uninitialized structure. Check the return value using IS_ERR() and propagate the error via PTR_ERR() to the probe caller.
Title ALSA: hda/conexant: Fix missing error check for jack detection
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-06-26T19:40:50.808Z

Reserved: 2026-06-09T07:44:35.396Z

Link: CVE-2026-53291

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-06-26T22:30:04Z