Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in DCN30 degamma hardware format translation
This commit addresses a potential index out of bounds issue in the
cm3_helper_translate_curve_to_degamma_hw_format function in the DCN30
color management module. 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/dcn30/dcn30_cm_common.c:338 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.red’ 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:339 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.green’ 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:340 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.blue’ 1025 <= s32max
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , CloudLinux 7 ELS , Oracle Linux 6 ELS , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 2.6.32 (+16 more)
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in DCN30 degamma hardware format translation
This commit addresses a potential index out of bounds issue in the
cm3_helper_translate_curve_to_degamma_hw_format function in the DCN30
color management module. 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/dcn30/dcn30_cm_common.c:338 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.red’ 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:339 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.green’ 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:340 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow ‘output_tf->tf_pts.blue’ 1025 <= s32max
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| Debian 11 | Released |
33 kernels
|
| Debian 11 cloud | Released |
13 kernels
|
| Debian 12 | Released |
17 kernels
|
| Oracle Linux 8 UEK 7 | Released |
35 kernels
|
| Oracle Linux 9 UEK 7 | Released |
35 kernels
|
| Proxmox VE 7 5.15 | Released |
47 kernels
|
| Ubuntu 20.04 HWE AWS | Released |
49 kernels
|
| Ubuntu 20.04 HWE Azure | Released |
32 kernels
|
| Ubuntu 22.04 | Released |
63 kernels
|
| Ubuntu 22.04 AWS | Released |
56 kernels
|
| Ubuntu 22.04 Azure | Released |
52 kernels
|
| Ubuntu 24.04 | Released |
15 kernels
|