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In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix null pointer deref in dcn20_resource.c
Fixes a hang thats triggered when MPV is run on a DCN401 dGPU:
mpv --hwdec=vaapi --vo=gpu --hwdec-codecs=all
and then enabling fullscreen playback (double click on the video)
The following calltrace will be seen:
[ 181.843989] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 181.843997] #PF: supervisor instruction fetch in kernel mode [ 181.844003] #PF: error_code(0x0010) - not-present page [ 181.844009] PGD 0 P4D 0 [ 181.844020] Oops: 0010 [#1] PREEMPT SMP NOPTI [ 181.844028] CPU: 6 PID: 1892 Comm: gnome-shell Tainted: G W OE 6.5.0-41-generic #41~22.04.2-Ubuntu [ 181.844038] Hardware name: System manufacturer System Product Name/CROSSHAIR VI HERO, BIOS 6302 10/23/2018 [ 181.844044] RIP: 0010:0x0 [ 181.844079] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 181.844084] RSP: 0018:ffffb593c2b8f7b0 EFLAGS: 00010246 [ 181.844093] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004 [ 181.844099] RDX: ffffb593c2b8f804 RSI: ffffb593c2b8f7e0 RDI: ffff9e3c8e758400 [ 181.844105] RBP: ffffb593c2b8f7b8 R08: ffffb593c2b8f9c8 R09: ffffb593c2b8f96c [ 181.844110] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb593c2b8f9c8 [ 181.844115] R13: 0000000000000001 R14: ffff9e3c88000000 R15: 0000000000000005 [ 181.844121] FS: 00007c6e323bb5c0(0000) GS:ffff9e3f85f80000(0000) knlGS:0000000000000000 [ 181.844128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.844134] CR2: ffffffffffffffd6 CR3: 0000000140fbe000 CR4: 00000000003506e0 [ 181.844141] Call Trace: [ 181.844146] <TASK> [ 181.844153] ? show_regs+0x6d/0x80 [ 181.844167] ? __die+0x24/0x80 [ 181.844179] ? page_fault_oops+0x99/0x1b0 [ 181.844192] ? do_user_addr_fault+0x31d/0x6b0 [ 181.844204] ? exc_page_fault+0x83/0x1b0 [ 181.844216] ? asm_exc_page_fault+0x27/0x30 [ 181.844237] dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu] [ 181.845115] amdgpu_dm_plane_validate_dcc.constprop.0+0xe5/0x180 [amdgpu] [ 181.845985] amdgpu_dm_plane_fill_plane_buffer_attributes+0x300/0x580 [amdgpu] [ 181.846848] fill_dc_plane_info_and_addr+0x258/0x350 [amdgpu] [ 181.847734] fill_dc_plane_attributes+0x162/0x350 [amdgpu] [ 181.848748] dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu] [ 181.849791] ? dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu] [ 181.850840] amdgpu_dm_atomic_check+0xdfe/0x1760 [amdgpu]
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 15, 2025 | Aug 26, 2024 |
| Suse | — | Upgrade kernel-develUpgrade kernel-zfcpdumpUpgrade kernel-azure-livepatch-develUpgrade dtb-amazonUpgrade kernel-kvmsmallUpgrade cluster-md-kmp-rtUpgrade dtb-xilinxUpgrade gfs2-kmp-defaultUpgrade kernel-64kbUpgrade ocfs2-kmp-defaultUpgrade dtb-allwinnerUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-64kbUpgrade kernel-azure-optionalUpgrade kernel-64kb-develUpgrade ocfs2-kmp-azureUpgrade kselftests-kmp-64kbUpgrade dtb-rockchipUpgrade kernel-source-azureUpgrade kernel-default-base-rebuildUpgrade kernel-rt-develUpgrade kernel-source-vanillaUpgrade dtb-alteraUpgrade dtb-exynosUpgrade kselftests-kmp-azureUpgrade dtb-qcomUpgrade kernel-default-vdsoUpgrade kernel-devel-azureUpgrade kernel-devel-rtUpgrade kernel-sourceUpgrade dtb-lgUpgrade cluster-md-kmp-azureUpgrade dtb-freescaleUpgrade ocfs2-kmp-64kbUpgrade dtb-caviumUpgrade kernel-64kb-livepatch-develUpgrade dtb-mediatekUpgrade kernel-source-rtUpgrade kernel-rtUpgrade kernel-rt-optionalUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-rtUpgrade kernel-rt_debug-develUpgrade gfs2-kmp-azureUpgrade kernel-default-optionalUpgrade kernel-rt-livepatchUpgrade kernel-debug-vdsoUpgrade ocfs2-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-default-develUpgrade kernel-default-livepatchUpgrade kernel-azureUpgrade kernel-azure-develUpgrade gfs2-kmp-64kbUpgrade kernel-azure-extraUpgrade dtb-amdUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-hisiliconUpgrade kernel-rt-livepatch-develUpgrade dtb-amlogicUpgrade kernel-defaultUpgrade kernel-kvmsmall-vdsoUpgrade dlm-kmp-rtUpgrade dtb-sprdUpgrade kselftests-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-rt_debug-vdsoUpgrade kernel-docsUpgrade kernel-symsUpgrade kernel-debug-develUpgrade reiserfs-kmp-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-default-livepatch-develUpgrade dtb-appleUpgrade dtb-apmUpgrade cluster-md-kmp-64kbUpgrade dtb-nvidiaUpgrade dtb-armUpgrade dtb-broadcomUpgrade kernel-default-baseUpgrade kernel-64kb-optionalUpgrade dtb-socionextUpgrade dtb-renesasUpgrade dlm-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-obs-buildUpgrade kernel-docs-htmlUpgrade reiserfs-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-default-extraUpgrade dtb-marvellUpgrade kernel-debug-livepatch-develUpgrade kernel-azure-vdsoUpgrade reiserfs-kmp-rtUpgrade kernel-debugUpgrade dlm-kmp-azureUpgrade kernel-obs-qaUpgrade kernel-64kb-extraUpgrade kernel-rt_debugUpgrade kernel-macrosUpgrade kernel-syms-rt | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1020-azureUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-50-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-awsUpgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-raspiUpgrade linux-image-gkeopUpgrade linux-image-gcpUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-azureUpgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1020-awsUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-oem-22.04aUpgrade linux-image-azure-fdeUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1018-oemUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-ibm-classicUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-nvidiaUpgrade linux-image-genericUpgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04 | Dec 13, 2024 | Aug 26, 2024 |
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