ghsa-76rf-j9m6-mjgj
Vulnerability from github
Published
2024-08-26 12:31
Modified
2024-08-27 15:32
Details

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] [ 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]

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2024-43899"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-26T11:15:04Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix null pointer deref in dcn20_resource.c\n\nFixes a hang thats triggered when MPV is run on a DCN401 dGPU:\n\nmpv --hwdec=vaapi --vo=gpu --hwdec-codecs=all\n\nand then enabling fullscreen playback (double click on the video)\n\nThe following calltrace will be seen:\n\n[  181.843989] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[  181.843997] #PF: supervisor instruction fetch in kernel mode\n[  181.844003] #PF: error_code(0x0010) - not-present page\n[  181.844009] PGD 0 P4D 0\n[  181.844020] Oops: 0010 [#1] PREEMPT SMP NOPTI\n[  181.844028] CPU: 6 PID: 1892 Comm: gnome-shell Tainted: G        W  OE      6.5.0-41-generic #41~22.04.2-Ubuntu\n[  181.844038] Hardware name: System manufacturer System Product Name/CROSSHAIR VI HERO, BIOS 6302 10/23/2018\n[  181.844044] RIP: 0010:0x0\n[  181.844079] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[  181.844084] RSP: 0018:ffffb593c2b8f7b0 EFLAGS: 00010246\n[  181.844093] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004\n[  181.844099] RDX: ffffb593c2b8f804 RSI: ffffb593c2b8f7e0 RDI: ffff9e3c8e758400\n[  181.844105] RBP: ffffb593c2b8f7b8 R08: ffffb593c2b8f9c8 R09: ffffb593c2b8f96c\n[  181.844110] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb593c2b8f9c8\n[  181.844115] R13: 0000000000000001 R14: ffff9e3c88000000 R15: 0000000000000005\n[  181.844121] FS:  00007c6e323bb5c0(0000) GS:ffff9e3f85f80000(0000) knlGS:0000000000000000\n[  181.844128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  181.844134] CR2: ffffffffffffffd6 CR3: 0000000140fbe000 CR4: 00000000003506e0\n[  181.844141] Call Trace:\n[  181.844146]  \u003cTASK\u003e\n[  181.844153]  ? show_regs+0x6d/0x80\n[  181.844167]  ? __die+0x24/0x80\n[  181.844179]  ? page_fault_oops+0x99/0x1b0\n[  181.844192]  ? do_user_addr_fault+0x31d/0x6b0\n[  181.844204]  ? exc_page_fault+0x83/0x1b0\n[  181.844216]  ? asm_exc_page_fault+0x27/0x30\n[  181.844237]  dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu]\n[  181.845115]  amdgpu_dm_plane_validate_dcc.constprop.0+0xe5/0x180 [amdgpu]\n[  181.845985]  amdgpu_dm_plane_fill_plane_buffer_attributes+0x300/0x580 [amdgpu]\n[  181.846848]  fill_dc_plane_info_and_addr+0x258/0x350 [amdgpu]\n[  181.847734]  fill_dc_plane_attributes+0x162/0x350 [amdgpu]\n[  181.848748]  dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu]\n[  181.849791]  ? dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu]\n[  181.850840]  amdgpu_dm_atomic_check+0xdfe/0x1760 [amdgpu]",
  "id": "GHSA-76rf-j9m6-mjgj",
  "modified": "2024-08-27T15:32:44Z",
  "published": "2024-08-26T12:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-43899"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/974fccd61758599a9716c4b909d9226749efe37e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecbf60782662f0a388493685b85a645a0ba1613c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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