CVE-2021-47601

Summary

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

tee: amdtee: fix an IS_ERR() vs NULL bug

The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux757cc3e9ff1d72d014096399d6e2bf03974d9da1 < 640e28d618e82be78fb43b4bf5113bc90d6aa442affected
LinuxLinux757cc3e9ff1d72d014096399d6e2bf03974d9da1 < 832f3655c6138c23576ed268e31cc76e0f05f2b1affected
LinuxLinux757cc3e9ff1d72d014096399d6e2bf03974d9da1 < 9d7482771fac8d8e38e763263f2ca0ca12dd22c6affected
LinuxLinux5.6affected
LinuxLinux0 < 5.6unaffected
LinuxLinux5.10.88 <= 5.10.*unaffected
LinuxLinux5.15.11 <= 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