CVE-2021-47530

Summary

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

drm/msm: Fix wait_fence submitqueue leak

We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. Split out a helper to simplify handling this in the various different return paths.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxa61acbbe9cf873f869fc634ae6f72f214f5994cc < 4c3cdbf2540319ea674f1f3c54f31f14c6f39647affected
LinuxLinuxa61acbbe9cf873f869fc634ae6f72f214f5994cc < ea0006d390a28012f8187717aea61498b2b341e5affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.7 <= 5.15.*unaffected
LinuxLinux5.16 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References