ALSA: hda: Fix possible null-ptr-deref when assigning a stream
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52806.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-52806