| From bippy-1.1.0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@kernel.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2023-53036: drm/amdgpu: Fix call trace warning and hang when removing amdgpu device |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/amdgpu: Fix call trace warning and hang when removing amdgpu device |
| |
| On GPUs with RAS enabled, below call trace and hang are observed when |
| shutting down device. |
| |
| v2: use DRM device unplugged flag instead of shutdown flag as the check to |
| prevent memory wipe in shutdown stage. |
| |
| [ +0.000000] RIP: 0010:amdgpu_vram_mgr_fini+0x18d/0x1c0 [amdgpu] |
| [ +0.000001] PKRU: 55555554 |
| [ +0.000001] Call Trace: |
| [ +0.000001] <TASK> |
| [ +0.000002] amdgpu_ttm_fini+0x140/0x1c0 [amdgpu] |
| [ +0.000183] amdgpu_bo_fini+0x27/0xa0 [amdgpu] |
| [ +0.000184] gmc_v11_0_sw_fini+0x2b/0x40 [amdgpu] |
| [ +0.000163] amdgpu_device_fini_sw+0xb6/0x510 [amdgpu] |
| [ +0.000152] amdgpu_driver_release_kms+0x16/0x30 [amdgpu] |
| [ +0.000090] drm_dev_release+0x28/0x50 [drm] |
| [ +0.000016] devm_drm_dev_init_release+0x38/0x60 [drm] |
| [ +0.000011] devm_action_release+0x15/0x20 |
| [ +0.000003] release_nodes+0x40/0xc0 |
| [ +0.000001] devres_release_all+0x9e/0xe0 |
| [ +0.000001] device_unbind_cleanup+0x12/0x80 |
| [ +0.000003] device_release_driver_internal+0xff/0x160 |
| [ +0.000001] driver_detach+0x4a/0x90 |
| [ +0.000001] bus_remove_driver+0x6c/0xf0 |
| [ +0.000001] driver_unregister+0x31/0x50 |
| [ +0.000001] pci_unregister_driver+0x40/0x90 |
| [ +0.000003] amdgpu_exit+0x15/0x120 [amdgpu] |
| |
| The Linux kernel CVE team has assigned CVE-2023-53036 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 6.1.22 with commit f06b902511ea05526f405ee64da54a8313d91831 |
| Fixed in 6.2.9 with commit 9a02dae3bbfe2df8e1c81e61a08695709e9588f9 |
| Fixed in 6.3 with commit 93bb18d2a873d2fa9625c8ea927723660a868b95 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2023-53036 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| drivers/gpu/drm/amd/amdgpu/amdgpu_object.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/f06b902511ea05526f405ee64da54a8313d91831 |
| https://git.kernel.org/stable/c/9a02dae3bbfe2df8e1c81e61a08695709e9588f9 |
| https://git.kernel.org/stable/c/93bb18d2a873d2fa9625c8ea927723660a868b95 |
