CVE-2023-52806

ALSA: hda: Fix possible null-ptr-deref when assigning a stream

State: Published
Severity: Not scored
Published: May 21, 2024
Updated: May 11, 2026
Reserved: May 21, 2024

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 7de25112de8222fd20564769e6c99dc9f9738a0bAffected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 758c7733cb821041f5fd403b7b97c0b95d319323Affected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 2527775616f3638f4fd54649eba8c7b84d5e4250Affected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 25354bae4fc310c3928e8a42fda2d486f67745d7Affected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 631a96e9eb4228ff75fce7e72d133ca81194797eAffected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 43b91df291c8802268ab3cfd8fccfdf135800ed4Affected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0Affected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 4a320da7f7cbdab2098b103c47f45d5061f42eddAffected 14752412721c61d9ac1e8d8fb51d7148cb15f85b to before f93dc90c2e8ed664985e366aa6459ac83cdab236Affected
LinuxLinux	4.2Affected before 4.2Not affected 4.14.331 through 4.14.Not affected 4.19.300 through 4.19.Not affected 5.4.262 through 5.4.Not affected 5.10.202 through 5.10.Not affected 5.15.140 through 5.15.Not affected 6.1.64 through 6.1.Not affected 6.5.13 through 6.5.Not affected 6.6.3 through 6.6.Not affected 6.7 and laterNot affected

Product

Versions

LinuxLinux

14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 7de25112de8222fd20564769e6c99dc9f9738a0bAffected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 758c7733cb821041f5fd403b7b97c0b95d319323Affected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 2527775616f3638f4fd54649eba8c7b84d5e4250Affected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 25354bae4fc310c3928e8a42fda2d486f67745d7Affected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 631a96e9eb4228ff75fce7e72d133ca81194797eAffected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 43b91df291c8802268ab3cfd8fccfdf135800ed4Affected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0Affected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before 4a320da7f7cbdab2098b103c47f45d5061f42eddAffected
14752412721c61d9ac1e8d8fb51d7148cb15f85b to before f93dc90c2e8ed664985e366aa6459ac83cdab236Affected

LinuxLinux

4.2Affected
before 4.2Not affected
4.14.331 through 4.14.*Not affected
4.19.300 through 4.19.*Not affected
5.4.262 through 5.4.*Not affected
5.10.202 through 5.10.*Not affected
5.15.140 through 5.15.*Not affected
6.1.64 through 6.1.*Not affected
6.5.13 through 6.5.*Not affected
6.6.3 through 6.6.*Not affected
6.7 and laterNot affected

References

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