High · published October 21, 2024
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in degamma hardware format translation
Fixes index out of bounds issue in
`cm_helper_translate_curve_to_degamma_hw_format` function. The issue
could occur when the index 'i' exceeds the number of transfer function
points (TRANSFER_FUNC_POINTS).
The fix adds a check to ensure 'i' is within bounds before accessing the
transfer function points. If 'i' is out of bounds the function returns
false to indicate an error.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
| Product | Versions | Fixed in |
|---|---|---|
| siemens/simatic_s7-1500_tm_mfp_firmware | all versions | — |
| debian/debian_linux | all versions | — |
| linux/linux_kernel | ≥ 4.15, < 4.19.323 | 4.19.323 |
| linux/linux_kernel | ≥ 4.20, < 5.4.285 | 5.4.285 |
| linux/linux_kernel | ≥ 5.5, < 5.10.227 | 5.10.227 |
| linux/linux_kernel | ≥ 5.11, < 5.15.168 | 5.15.168 |
| linux/linux_kernel | ≥ 5.16, < 6.1.113 | 6.1.113 |
| linux/linux_kernel | ≥ 6.2, < 6.6.55 | 6.6.55 |
| linux/linux_kernel | ≥ 6.7, < 6.10.14 | 6.10.14 |
| linux/linux_kernel | ≥ 6.11, < 6.11.3 | 6.11.3 |
| siemens/sinec_os | < 3.2 | 3.2 |