What happened
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before using them [WHAT & HOW] These pointers are null checked previously in the same function, indicating they might be null as reported by Coverity. As a result, they need to be checked when used again. This fixes 3 FORWARD_NULL issue reported by Coverity.
Affected versions
Linux: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c through before 336bc3461b1c74e085bb0f2e1488df4dcc6dc983 (git); 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c through before 65e1d2c291553ef3f433a0b7109cc3002a5f40ae (git); 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c through before 5e9386baa3033c369564d55de4bab62423e8a1d3 (git); 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c through before 1ff12bcd7deaeed25efb5120433c6a45dd5504a8 (git); 4.15 Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.