Vulnerability-Lookup

GHSA-7CXV-M2M2-8QF9

Vulnerability from github – Published: 2026-09-04 18:31 – Updated: 2026-09-04 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

ALSA: dummy: Check card index validity at probe

snd_dummy_probe() blindly trusts that the given devptr->id value is within the proper card index range. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters.

Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80812"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T16:18:08Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: dummy: Check card index validity at probe\n\nsnd_dummy_probe() blindly trusts that the given devptr-\u003eid value is\nwithin the proper card index range.  It\u0027s OK for the devices the\ndriver itself creates at the module probe time, but if the device is\nbound manually via sysfs interface, this could be -1 as \"none\", and\nthis leads to OOB access for index[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it\u0027s a\nvalue out of the range.",
  "id": "GHSA-7cxv-m2m2-8qf9",
  "modified": "2026-09-04T18:31:27Z",
  "published": "2026-09-04T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80812"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02442d5fe8ee365a084b055d4fa81a0c1abfc3fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3dba0e92e18980cb5a4d70a9a263539ae4f0c7ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d0892a90b57f0e89b274c3f3c51c2fa17937c88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/690b721b9595f9a43395fd4047a832c42b5b6078"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b20eb7ecbdaa3e649023fe41b177d90983ffb487"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7579e86afcec932e169d10e2d603abed8dd2fdf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9f10a001c243d1f069ebb0e2f4999ad4043a254"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f20c2c32ec1c5c3526f29a03b487c55a5890996c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80812 (GCVE-0-2026-80812)

Vulnerability from cvelistv5 – Published: 2026-09-04 15:13 – Updated: 2026-09-07 14:21

Title

ALSA: dummy: Check card index validity at probe

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: dummy: Check card index validity at probe snd_dummy_probe() blindly trusts that the given devptr->id value is within the proper card index range. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/b7579e86afcec932e…
https://git.kernel.org/stable/c/4d0892a90b57f0e89…
https://git.kernel.org/stable/c/b20eb7ecbdaa3e649…
https://git.kernel.org/stable/c/c9f10a001c243d1f0…
https://git.kernel.org/stable/c/f20c2c32ec1c5c352…
https://git.kernel.org/stable/c/3dba0e92e18980cb5…
https://git.kernel.org/stable/c/690b721b9595f9a43…
https://git.kernel.org/stable/c/02442d5fe8ee365a0…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < b7579e86afcec932e169d10e2d603abed8dd2fdf (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < 4d0892a90b57f0e89b274c3f3c51c2fa17937c88 (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < b20eb7ecbdaa3e649023fe41b177d90983ffb487 (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < c9f10a001c243d1f069ebb0e2f4999ad4043a254 (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < f20c2c32ec1c5c3526f29a03b487c55a5890996c (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < 3dba0e92e18980cb5a4d70a9a263539ae4f0c7ec (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < 690b721b9595f9a43395fd4047a832c42b5b6078 (git) Affected: 6e65c1cc4458b2784224759b6137a50d4f65e610 , < 02442d5fe8ee365a084b055d4fa81a0c1abfc3fd (git)
Linux	Linux	Affected: 2.6.16 Unaffected: 0 , < 2.6.16 (semver) Unaffected: 5.15.218 , ≤ 5.15.* (semver) Unaffected: 6.1.185 , ≤ 6.1.* (semver) Unaffected: 6.6.154 , ≤ 6.6.* (semver) Unaffected: 6.12.106 , ≤ 6.12.* (semver) Unaffected: 6.18.47 , ≤ 6.18.* (semver) Unaffected: 7.1.11 , ≤ 7.1.* (semver) Unaffected: 7.2.1 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-7CXV-M2M2-8QF9

CVE-2026-80812 (GCVE-0-2026-80812)

Tags

Sightings

Nomenclature