Vulnerabilities > CVE-2023-52806 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH 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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b
- https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323
- https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250
- https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7
- https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e
- https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4
- https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0
- https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd
- https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236