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CVE
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CVE-2023-52806Date: (C)2024-05-22   (M)2024-05-31


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score :
Exploit Score: 1.8Exploit Score:
Impact Score: 3.6Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: LOWAuthentication:
User Interaction: NONEConfidentiality:
Scope: UNCHANGEDIntegrity:
Confidentiality: NONEAvailability:
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250
https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7
https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4
https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd
https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e
https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323
https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b
https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236
https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0

CWE    1
CWE-476

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