CVE-2021-47489

Summary

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

drm/amdgpu: Fix even more out of bound writes from debugfs

CVE-2021-42327 was fixed by:

commit f23750b5b3d98653b31d4469592935ef6364ad67 Author: Thelford Williams <tdwilliamsiv@gmail.com> Date: Wed Oct 13 16:04:13 2021 -0400

drm/amdgpu: fix out of bounds write

but amdgpu_dm_debugfs.c contains more of the same issue so fix the remaining ones.

v2: * Add missing fix in dp_max_bpc_write (Harry Wentland)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux918698d5c2b50433714d2042f55b55b090faa167 < 1336b886b162fdc84708096ea152a61c0e1fc09caffected
LinuxLinux918698d5c2b50433714d2042f55b55b090faa167 < 9eb4bdd554fc31a5ef6bf645a20ff21618ce45a9affected
LinuxLinux918698d5c2b50433714d2042f55b55b090faa167 < 3f4e54bd312d3dafb59daf2b97ffa08abebe60f5affected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.236 <= 5.10.*unaffected
LinuxLinux5.14.16 <= 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