CVE-2021-47431

Summary

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

drm/amdgpu: fix gart.bo pin_count leak

gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5dd696ae5d648b412a29b314c50e5dcf65829b9d < 83d857d6b0967b6709cd38750c3ce2ed8ced1a95affected
LinuxLinux5dd696ae5d648b412a29b314c50e5dcf65829b9d < 621ddffb70db824eabd63d18ac635180fe9500f9affected
LinuxLinux5dd696ae5d648b412a29b314c50e5dcf65829b9d < 18d1c5ea3798ba42cfa0f8b2264d873463facb03affected
LinuxLinux5dd696ae5d648b412a29b314c50e5dcf65829b9d < 66805763a97f8f7bdf742fc0851d85c02ed9411faffected
LinuxLinux4.13affected
LinuxLinux0 < 4.13unaffected
LinuxLinux5.4.154 <= 5.4.*unaffected
LinuxLinux5.10.74 <= 5.10.*unaffected
LinuxLinux5.14.13 <= 5.14.*unaffected
LinuxLinux5.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References