CVE-2026-90060 (GCVE-0-2026-90060)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:05 – Updated: 2026-09-17 16:05
VLAI
Title
ALSA: control: Don't add invalid kcontrols to LED layer
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Don't add invalid kcontrols to LED layer The kcontrol LED state layer tries to track the all associated kcontrol elements with naive assumptions that they are readable. But one can create a write-only element that has no get callback (even a user element can do it), and this may lead to a NULL dereference at the call chain of snd_ctl_led_notify(), as found by syzkaller. For avoiding the Oops, add a sanity check of the kcontrol's info and get callbacks, and just skip the invalid kcontrols before assigning the kctl to the LED layer.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 22d8de62f11b287b279f1d4473a78c7d5e53e7bc , < 6e152cbfac3a2a62f79df7d23d621917c20367eb (git)
Affected: 22d8de62f11b287b279f1d4473a78c7d5e53e7bc , < 3d20cd049fc5f51f80e24a2db7a3cf00593c79e4 (git)
Affected: 22d8de62f11b287b279f1d4473a78c7d5e53e7bc , < 2f0c97b1a32fba8e81a69f6231aa0b3c9b6bc581 (git)
Affected: 22d8de62f11b287b279f1d4473a78c7d5e53e7bc , < 18c08f84ca483029f04e426ec7ca3b5d3684cf22 (git)
Affected: 22d8de62f11b287b279f1d4473a78c7d5e53e7bc , < 74e3b979ce8b78a690f8b94ccf2e2c965f7f5c11 (git)
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Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.12.110 , ≤ 6.12.* (semver)
Unaffected: 6.18.52 , ≤ 6.18.* (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.