CVE-2021-47420

Summary

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

drm/amdkfd: fix a potential ttm->sg memory leak

Memory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr, but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!

Affected Software

VendorProductVersion RangeStatus
LinuxLinux264fb4d332f5e76743818480e482464437837c52 < 7e5ce6029b627efb4a004746cfdc1eeff850e6ebaffected
LinuxLinux264fb4d332f5e76743818480e482464437837c52 < b072ef1215aca33186e3a10109e872e528a9e516affected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.14.12 <= 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