CVE-2024-47683
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-47683
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47683.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2024-47683
- Downstream
- Related
- Published
- 2024-10-21T11:53:25Z
- Modified
- 2025-10-15T15:25:28.786201Z
- Summary
- drm/amd/display: Skip Recompute DSC Params if no Stream on Link
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Skip Recompute DSC Params if no Stream on Link
[why] Encounter NULL pointer dereference uner mst + dsc setup.
BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022 RIP: 0010:drmdpatomicfindtimeslots+0x5e/0x260 [drmdisplayhelper] Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8> RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224 RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0 Call Trace: <TASK> ? _die+0x23/0x70 ? pagefaultoops+0x171/0x4e0 ? plistadd+0xbe/0x100 ? excpagefault+0x7c/0x180 ? asmexcpagefault+0x26/0x30 ? drmdpatomicfindtimeslots+0x5e/0x260 [drmdisplayhelper 0e67723696438d8e02b741593dd50d80b44c2026] ? drmdpatomicfindtimeslots+0x28/0x260 [drmdisplayhelper 0e67723696438d8e02b741593dd50d80b44c2026] computemstdscconfigsforlink+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? fillplanebufferattributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] computemstdscconfigsforstate+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpudmatomiccheck+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] drmatomiccheckonly+0x5c5/0xa40 drmmodeatomicioctl+0x76e/0xbc0
[how] dsc recompute should be skipped if no mode change detected on the new request. If detected, keep checking whether the stream is already on current state or not.
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7cFixed7c887efda1201110211fed8921a92a713e0b6bcd
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7cFixed8151a6c13111b465dbabe07c19f572f7cbd16fef
Affected versions
v4.*
v5.*
v6.*
Database specific
{
"vanir_signatures": [
{
"signature_version": "v1",
"signature_type": "Line",
"target": {
"file": "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c"
},
"id": "CVE-2024-47683-06ff4c36",
"digest": {
"line_hashes": [
"322267429533664346950267775722247858044",
"57463856275770966967465296631360841749",
"165797940707811258792654196781040435786"
],
"threshold": 0.9
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8151a6c13111b465dbabe07c19f572f7cbd16fef"
},
{
"signature_version": "v1",
"signature_type": "Line",
"target": {
"file": "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c"
},
"id": "CVE-2024-47683-67f3522c",
"digest": {
"line_hashes": [
"242842552559883422760696428127788425599",
"234245195448709856043401531696404168753",
"284805089238078173901882205002560639070"
],
"threshold": 0.9
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@7c887efda1201110211fed8921a92a713e0b6bcd"
},
{
"signature_version": "v1",
"signature_type": "Function",
"target": {
"file": "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c",
"function": "is_dsc_need_re_compute"
},
"id": "CVE-2024-47683-e3240aad",
"digest": {
"length": 1621.0,
"function_hash": "24210484935897527433328024494302774147"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@7c887efda1201110211fed8921a92a713e0b6bcd"
},
{
"signature_version": "v1",
"signature_type": "Function",
"target": {
"file": "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c",
"function": "is_dsc_need_re_compute"
},
"id": "CVE-2024-47683-e6083d13",
"digest": {
"length": 1636.0,
"function_hash": "320460652110944451917342948924748384303"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8151a6c13111b465dbabe07c19f572f7cbd16fef"
}
]
}