CVE-2024-47683

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-47683
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:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] 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 ? page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ? exc_page_fault+0x7c/0x180 ? asm_exc_page_fault+0x26/0x30 ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] drm_atomic_check_only+0x5c5/0xa40 drm_mode_atomic_ioctl+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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/282f0a482ee61d5e863512f3c4fcec90216c20d9 Patch
https://git.kernel.org/stable/c/6f9c39e8169384d2a5ca9bf323a0c1b81b3d0f3a Patch
https://git.kernel.org/stable/c/70275bb960c71d313254473d38c14e7101cee5ad Patch
https://git.kernel.org/stable/c/718d83f66fb07b2cab89a1fc984613a00e3db18f Patch
https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd Patch
https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef Patch
https://git.kernel.org/stable/c/a53841b074cc196c3caaa37e1f15d6bc90943b97 Patch
https://git.kernel.org/stable/c/d45c64d933586d409d3f1e0ecaca4da494b1d9c6 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

23 Oct 2024, 15:02

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Omitir recálculo de parámetros DSC si no hay flujo en el enlace [por qué] Se encuentra una desreferencia de puntero NULL en la configuración de mst + dsc. ERROR: desreferencia de puntero NULL del núcleo, dirección: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway No contaminado 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Nombre del hardware: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 28/07/2022 RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] Código: 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 &lt;48&gt; RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 00000000000000224 RDX: ffff8afb9ee37c00 RSI: RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11: 000000000000002 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: 000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0 Seguimiento de llamadas: ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ? exc_page_fault+0x7c/0x180 ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] configuración_mst_dsc_compute_para_enlace+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? atributos de búfer de plano de relleno+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] configuraciones de cálculo mst_dsc para estado+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] solo comprobación atómica drm+0x5c5/0xa40 drm_mode_atomic_ioctl+0x76e/0xbc0 [cómo] Se debe omitir el recálculo de dsc si no se detecta ningún cambio de modo en la nueva solicitud. Si se detecta, se debe seguir verificando si la transmisión ya está en el estado actual o no.
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-476
References () https://git.kernel.org/stable/c/282f0a482ee61d5e863512f3c4fcec90216c20d9 - () https://git.kernel.org/stable/c/282f0a482ee61d5e863512f3c4fcec90216c20d9 - Patch
References () https://git.kernel.org/stable/c/6f9c39e8169384d2a5ca9bf323a0c1b81b3d0f3a - () https://git.kernel.org/stable/c/6f9c39e8169384d2a5ca9bf323a0c1b81b3d0f3a - Patch
References () https://git.kernel.org/stable/c/70275bb960c71d313254473d38c14e7101cee5ad - () https://git.kernel.org/stable/c/70275bb960c71d313254473d38c14e7101cee5ad - Patch
References () https://git.kernel.org/stable/c/718d83f66fb07b2cab89a1fc984613a00e3db18f - () https://git.kernel.org/stable/c/718d83f66fb07b2cab89a1fc984613a00e3db18f - Patch
References () https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd - () https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd - Patch
References () https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef - () https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef - Patch
References () https://git.kernel.org/stable/c/a53841b074cc196c3caaa37e1f15d6bc90943b97 - () https://git.kernel.org/stable/c/a53841b074cc196c3caaa37e1f15d6bc90943b97 - Patch
References () https://git.kernel.org/stable/c/d45c64d933586d409d3f1e0ecaca4da494b1d9c6 - () https://git.kernel.org/stable/c/d45c64d933586d409d3f1e0ecaca4da494b1d9c6 - Patch
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

21 Oct 2024, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-10-21 12:15

Updated : 2024-10-23 15:02

NVD link : CVE-2024-47683

Mitre link : CVE-2024-47683

CVE.ORG link : CVE-2024-47683

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference