Riskcovery

CVE-2021-47211

ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

State
Published
Severity
Not scored
Published
Apr 10, 2024
Updated
Jun 19, 2026
Reserved
Apr 10, 2024

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

The pointer cs_desc return from snd_usb_find_clock_source could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1dc669fed61a4ec4270a89e5fb3535802cc45668 to before 3455984b16eeb6914caf8b59498ef24fcc1f0a78Affected
  • 1dc669fed61a4ec4270a89e5fb3535802cc45668 to before 58fa50de595f152900594c28ec9915c169643739Affected
  • 1dc669fed61a4ec4270a89e5fb3535802cc45668 to before b97053df0f04747c3c1e021ecbe99db675342954Affected
LinuxLinux
  • 3.10Affected
  • before 3.10Not affected
  • 5.10.259 through 5.10.*Not affected
  • 5.15.5 through 5.15.*Not affected
  • 5.16 and laterNot affected

References

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