CVE-2023-52806 (GCVE-0-2023-52806)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:31 – Updated: 2026-05-11 19:33
VLAI?
Title
ALSA: hda: Fix possible null-ptr-deref when assigning a stream
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 7de25112de8222fd20564769e6c99dc9f9738a0b (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 758c7733cb821041f5fd403b7b97c0b95d319323 (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 2527775616f3638f4fd54649eba8c7b84d5e4250 (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 25354bae4fc310c3928e8a42fda2d486f67745d7 (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 631a96e9eb4228ff75fce7e72d133ca81194797e (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 43b91df291c8802268ab3cfd8fccfdf135800ed4 (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < 4a320da7f7cbdab2098b103c47f45d5061f42edd (git)
Affected: 14752412721c61d9ac1e8d8fb51d7148cb15f85b , < f93dc90c2e8ed664985e366aa6459ac83cdab236 (git)
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Linux Linux Affected: 4.2
Unaffected: 0 , < 4.2 (semver)
Unaffected: 4.14.331 , ≤ 4.14.* (semver)
Unaffected: 4.19.300 , ≤ 4.19.* (semver)
Unaffected: 5.4.262 , ≤ 5.4.* (semver)
Unaffected: 5.10.202 , ≤ 5.10.* (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (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.



Detection rules are retrieved from Rulezet.