Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Implement bounds check for stream encoder creation in DCN401 'stream_enc_regs' array is an array of dcn10_stream_enc_registers structures. The array is initialized with four elements, corresponding to the four calls to stream_enc_regs() in the array initializer. This means that valid indices for this array are 0, 1, 2, and 3. The error message 'stream_enc_regs' 4 <= 5 below, is indicating that there is an attempt to access this array with an index of 5, which is out of bounds. This could lead to undefined behavior Here, eng_id is used as an index to access the stream_enc_regs array. If eng_id is 5, this would result in an out-of-bounds access on the stream_enc_regs array. Thus fixing Buffer overflow error in dcn401_stream_encoder_create Found by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn401/dcn401_resource.c:1209 dcn401_stream_encoder_create() error: buffer overflow 'stream_enc_regs' 4 <= 5
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before 00872dcc2a3e4a42155c2f3b7f21952a62301035; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before b219b46ad42df1dea9258788bcfea37181f3ccb2; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before bdf606810210e8e07a0cdf1af3c467291363b295 |
| Linux / Linux | affected 4.15; unaffected 0 before 4.15; unaffected 6.6.160 through 6.6.*; unaffected 6.11.3 through 6.11.*; unaffected 6.12 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/00872dcc2a3e4a42155c2f3b7f21952a62301035
- https://git.kernel.org/stable/c/b219b46ad42df1dea9258788bcfea37181f3ccb2
- https://git.kernel.org/stable/c/bdf606810210e8e07a0cdf1af3c467291363b295
ADP enrichment
No English description supplied.
No references supplied.