CVE-2021-47020

Summary

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

soundwire: stream: fix memory leak in stream config error path

When stream config is failed, master runtime will release all slave runtime in the slave_rt_list, but slave runtime is not added to the list at this time. This patch frees slave runtime in the config error path to fix the memory leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < 342260fe821047c3d515e3d28085d73fbdce3e80affected
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < 870533403ffa28ff63e173045fc5369365642002affected
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < 7c468deae306d0cbbd539408c26cfec04c66159aaffected
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < 2f17ac005b320c85d686088cfd4c2e7017912b88affected
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < effd2bd62b416f6629e18e3ce077c60de14cfdeaaffected
LinuxLinux89e590535f32d4bc548bcf266f3b046e50942f6d < 48f17f96a81763c7c8bf5500460a359b9939359faffected
LinuxLinux4.18affected
LinuxLinux0 < 4.18unaffected
LinuxLinux4.19.191 <= 4.19.*unaffected
LinuxLinux5.4.119 <= 5.4.*unaffected
LinuxLinux5.10.37 <= 5.10.*unaffected
LinuxLinux5.11.21 <= 5.11.*unaffected
LinuxLinux5.12.4 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References