CVE-2022-50079

Summary

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

drm/amd/display: Check correct bounds for stream encoder instances for DCN303

[Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders.

Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcd6d421e3d1ad5926b74091254e345db730e7706 < 82a27c1855445d48aacc67b0c0640f3dadebe52faffected
LinuxLinuxcd6d421e3d1ad5926b74091254e345db730e7706 < 4c31dca1799612eb3b6413e3e574f90c3fb8f865affected
LinuxLinuxcd6d421e3d1ad5926b74091254e345db730e7706 < 89b008222c2bf21e50219725caed31590edfd9d1affected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.15.63 <= 5.15.*unaffected
LinuxLinux5.19.4 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References