CVE-2026-53291 (GCVE-0-2026-53291)

Vulnerability from cvelistv5 – Published: 2026-06-26 19:40 – Updated: 2026-06-26 19:40
VLAI
Title
ALSA: hda/conexant: Fix missing error check for jack detection
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f13b8cb5a6920ad98b751d3134686f29810577d4 , < 49c2c5924552e1d2f8b635dee663abebbb7cf63b (git)
Affected: 2cb659ef0ac744545499e7c37665b276d9e405da , < a2a33e87a2ffce3046c574d24eec4390c27c9365 (git)
Affected: 24d748413cc4e1d97074bae1f335d32d30912f10 , < d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80 (git)
Affected: 7aeb259086487417f0fecf66e325bee133e8813a , < dd110cc00cf854a8ecd8d003127a4178c28574ea (git)
Affected: 7aeb259086487417f0fecf66e325bee133e8813a , < f837c7b85143a7c54140ff41ad5c076b73cd9933 (git)
Affected: 7aeb259086487417f0fecf66e325bee133e8813a , < 1da5c73f3793b224696617a2a21def7500ba18d6 (git)
Affected: 7aeb259086487417f0fecf66e325bee133e8813a , < b0e2333a231107adedd38c6fcfe1adc6162716fc (git)
Affected: 4a28302b2c681e3cf85e3b41231fff363c4c6a0e (git)
Affected: 5.15.149 , < 5.15.209 (semver)
Affected: 6.1.77 , < 6.1.175 (semver)
Affected: 6.6.16 , < 6.6.141 (semver)
Affected: 6.7.4 , < 6.8 (semver)
Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-07-08T04:06:17+00:00",
      "cve": "CVE-2026-53291",
      "id": "CVE-2026-53291",
      "initial_release_date": "2026-06-26T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ALSA: hda/conexant: Fix missing error check for jack detection",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53291.json",
      "version": "3"
    }
  }
}



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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.