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In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: change vm->task_info handling
This patch changes the handling and lifecycle of vm->task_info object. The major changes are: - vm->task_info is a dynamically allocated ptr now, and its uasge is reference counted. - introducing two new helper funcs for task_info lifecycle management - amdgpu_vm_get_task_info: reference counts up task_info before returning this info - amdgpu_vm_put_task_info: reference counts down task_info - last put to task_info() frees task_info from the vm.
This patch also does logistical changes required for existing usage of vm->task_info.
V2: Do not block all the prints when task_info not found (Felix)
V3: Fixed review comments from Felix - Fix wrong indentation - No debug message for -ENOMEM - Add NULL check for task_info - Do not duplicate the debug messages (ti vs no ti) - Get first reference of task_info in vm_init(), put last in vm_fini()
V4: Fixed review comments from Felix - fix double reference increment in create_task_info - change amdgpu_vm_get_task_info_pasid - additional changes in amdgpu_gem.c while porting
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-debug-develUpgrade kernel-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-cross-headersUpgrade kernel-rtUpgrade kernel-tools-libs-develUpgrade kernel-abi-stablelistsUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-modulesUpgrade kernel-headersUpgrade kernel-modules-extraUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-develUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modulesUpgrade kernel-develUpgrade kernel-debug-coreUpgrade kernel-debugUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-develUpgrade kernel-toolsUpgrade kernel-rt-kvmUpgrade kernel-docUpgrade kernel-rt-debugUpgrade kernel-modulesUpgrade kernel-rt-coreUpgrade perfUpgrade bpftoolUpgrade python3-perfUpgrade kernel-debug-develUpgrade kernel-zfcpdump-modules-extra | Sep 26, 2024 | Jul 16, 2024 |
| Debian | — | Upgrade linux | May 15, 2025 | Jul 16, 2024 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | Jul 16, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Sep 25, 2024 | Jul 16, 2024 |
| Rocky_linux | — | Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debug-modules-extraUpgrade bpftool-debuginfoUpgrade kernel-debug-debuginfoUpgrade kernel-rtUpgrade kernel-rt-modulesUpgrade kernel-tools-libs-develUpgrade kernel-debug-modulesUpgrade kernel-headersUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-coreUpgrade kernel-debug-coreUpgrade perfUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-develUpgrade bpftoolUpgrade kernel-modules-extraUpgrade kernel-rt-modules-extraUpgrade kernel-tools-libsUpgrade kernel-rt-debug-develUpgrade kernel-rt-kvmUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernelUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debugUpgrade kernel-modulesUpgrade kernel-develUpgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-cross-headersUpgrade kernel-coreUpgrade kernel-rt-develUpgrade perf-debuginfo | Oct 2, 2024 | Jul 16, 2024 |
| Suse | — | Upgrade kernel-64kbUpgrade kernel-macrosUpgrade kernel-sourceUpgrade kernel-symsUpgrade kernel-64kb-develUpgrade kernel-default-develUpgrade kernel-zfcpdumpUpgrade kernel-develUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-obs-buildUpgrade reiserfs-kmp-default | Dec 5, 2025 | Sep 27, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-1035-nvidia-tegraNo solution existsUpgrade linux-image-nvidia-tegra-rt-6.8 | Jun 26, 2025 | Jul 16, 2024 |
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