CVE-2023-52806
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…
Does this matter?
Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.26% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250Patch
- https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7Patch
- https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4Patch
- https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42eddPatch
- https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797ePatch
- https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323Patch
- https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0bPatch
- https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236Patch
- https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0Patch
- https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250Patch
- https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7Patch
- https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4Patch
- https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42eddPatch
- https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797ePatch
- https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323Patch
- https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0bPatch
- https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236Patch
- https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.