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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

No data.

No data.

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
https://lore.kernel.org/linux-cve-announce/2026062617-CVE-2026-53291-451e@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-53291 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-53291 cve-icon
History

Mon, 29 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-390
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

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

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

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

Link: CVE-2026-53291

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Low

Publid Date: 2026-06-26T00:00:00Z

Links: CVE-2026-53291 - Bugzilla