In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume
In current code, when a PCI error state pci_channel_io_normal is detectd, it will report PCI_ERS_RESULT_CAN_RECOVER status to PCI driver, and PCI driver will continue the execution of PCI resume callback report_resume by pci_walk_bridge, and the callback will go into amdgpu_pci_resume finally, where write lock is releasd unconditionally without acquiring such lock first. In this case, a deadlock will happen when other threads start to acquire the read lock.
To fix this, add a member in amdgpu_device strucutre to cache pci_channel_state, and only continue the execution in amdgpu_pci_resume when it's pci_channel_io_frozen.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Suse | — | Upgrade dtb-armUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-defaultUpgrade kernel-devel-rtUpgrade kernel-docsUpgrade ocfs2-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-obs-buildUpgrade kselftests-kmp-defaultUpgrade kernel-rt-develUpgrade kselftests-kmp-rtUpgrade dlm-kmp-azureUpgrade cluster-md-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade dtb-mediatekUpgrade kernel-source-vanillaUpgrade kernel-default-base-rebuildUpgrade reiserfs-kmp-azureUpgrade kernel-azure-livepatch-develUpgrade kernel-azureUpgrade dtb-qcomUpgrade kernel-rt-extraUpgrade gfs2-kmp-defaultUpgrade dtb-rockchipUpgrade kernel-rt-vdsoUpgrade kernel-64kb-extraUpgrade kernel-rt-livepatchUpgrade kernel-azure-develUpgrade kernel-syms-azureUpgrade dtb-xilinxUpgrade dtb-sprdUpgrade kernel-default-optionalUpgrade kernel-debug-vdsoUpgrade kernel-rtUpgrade kernel-default-vdsoUpgrade kernel-develUpgrade dtb-apmUpgrade kernel-debugUpgrade kselftests-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-baseUpgrade dtb-alteraUpgrade dtb-marvellUpgrade reiserfs-kmp-defaultUpgrade dtb-caviumUpgrade dtb-lgUpgrade dtb-allwinnerUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmall-develUpgrade dtb-appleUpgrade dlm-kmp-64kbUpgrade dtb-broadcomUpgrade kernel-rt_debug-vdsoUpgrade dtb-amazonUpgrade kernel-obs-qaUpgrade kernel-symsUpgrade kernel-azure-vdsoUpgrade dtb-exynosUpgrade ocfs2-kmp-rtUpgrade reiserfs-kmp-rtUpgrade kernel-docs-htmlUpgrade kernel-default-livepatchUpgrade gfs2-kmp-rtUpgrade kernel-rt-optionalUpgrade dtb-socionextUpgrade dtb-hisiliconUpgrade kernel-devel-azureUpgrade kernel-source-rtUpgrade dtb-freescaleUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-kvmsmallUpgrade kernel-64kb-livepatch-develUpgrade ocfs2-kmp-64kbUpgrade gfs2-kmp-64kbUpgrade kernel-macrosUpgrade kernel-default-livepatch-develUpgrade kernel-azure-optionalUpgrade kernel-64kbUpgrade dtb-renesasUpgrade kernel-rt_debugUpgrade reiserfs-kmp-64kbUpgrade kernel-64kb-develUpgrade dtb-amdUpgrade kernel-default-extraUpgrade kernel-syms-rtUpgrade dlm-kmp-defaultUpgrade dtb-amlogicUpgrade kernel-default-develUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade kernel-debug-develUpgrade kernel-64kb-optionalUpgrade kernel-azure-extraUpgrade kernel-debug-livepatch-develUpgrade cluster-md-kmp-azureUpgrade ocfs2-kmp-azureUpgrade gfs2-kmp-azureUpgrade kernel-zfcpdump | Aug 9, 2024 | May 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 6, 2025 | May 21, 2024 |
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