ghsa-76rf-j9m6-mjgj
Vulnerability from github
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]
{ "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" } ] }
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.