CVE-2022-49335

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49335
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo [172536.665184] BUG: kernel NULL pointer dereference, address: 00000000000001d8 [172536.665188] #PF: supervisor read access in kernel mode [172536.665189] #PF: error_code(0x0000) - not-present page [172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0 [172536.665195] Oops: 0000 [#1] SMP NOPTI [172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: P O 5.10.81 #1-NixOS [172536.665199] Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2201 03/23/2015 [172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu] [172536.665274] Code: 75 18 00 00 4c 8b b2 88 00 00 00 8b 46 08 48 89 54 24 68 49 89 f7 4c 89 5c 24 60 31 d2 4c 89 74 24 30 85 c0 0f 85 c0 01 00 00 <48> 83 ba d8 01 00 00 00 48 8b b4 24 90 00 00 00 74 16 48 8b 46 10 [172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246 [172536.665277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [172536.665278] RDX: 0000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68 [172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38 [172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40 [172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28 [172536.665283] FS: 00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000 [172536.665284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0 [172536.665287] Call Trace: [172536.665322] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665332] drm_ioctl_kernel+0xaa/0xf0 [drm] [172536.665338] drm_ioctl+0x201/0x3b0 [drm] [172536.665369] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665372] ? selinux_file_ioctl+0x135/0x230 [172536.665399] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [172536.665403] __x64_sys_ioctl+0x83/0xb0 [172536.665406] do_syscall_64+0x33/0x40 [172536.665409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2018

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/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8 Patch
https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462 Patch
https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a Patch
https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9 Patch
https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4 Patch
https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63 Patch
https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0 Patch
https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab Patch
https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

13 Mar 2025, 21:53

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
CWE CWE-476
References () https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8 - () https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8 - Patch
References () https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462 - () https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462 - Patch
References () https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a - () https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a - Patch
References () https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9 - () https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9 - Patch
References () https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4 - () https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4 - Patch
References () https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63 - () https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63 - Patch
References () https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0 - () https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0 - Patch
References () https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab - () https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab - Patch
References () https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774 - () https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774 - Patch
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu/cs: hace que los comandos con 0 fragmentos tengan un comportamiento ilegal. Enviar un comando con 0 fragmentos provoca un error más adelante, que se detecta al intentar ejecutar el controlador de espacio de usuario incorrecto. MESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo [172536.665184] ERROR: desreferencia de puntero NULL del núcleo, dirección: 00000000000001d8 [172536.665188] #PF: acceso de lectura del supervisor en modo núcleo [172536.665189] #PF: error_code(0x0000) - página no presente [172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0 [172536.665195] Oops: 0000 [#1] SMP NOPTI [172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: PO 5.10.81 #1-NixOS [172536.665199] Nombre del hardware: Para ser completado por el OEM Para ser completado por el OEM/CROSSHAIR V FORMULA-Z, BIOS 2201 23/03/2015 [172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu] [172536.665274] Código: 75 18 00 00 4c 8b b2 88 00 00 00 8b 46 08 48 89 54 24 68 49 89 f7 4c 89 5c 24 60 31 d2 4c 89 74 24 30 85 c0 0f 85 c0 01 00 00 &lt;48&gt; 83 ba d8 01 00 00 00 48 8b b4 24 90 00 00 00 74 16 48 8b 46 10 [172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246 [172536.665277] RAX: 000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [172536.665278] RDX: 00000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68 [172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38 [172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40 [172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28 [172536.665283] FS: 00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000 [172536.665284] CS: 0010 DS: 0000 ES: 0000 CR0: 000000080050033 [172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0 [172536.665287] Seguimiento de llamadas: [172536.665322] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665332] drm_ioctl_kernel+0xaa/0xf0 [drm] [172536.665338] drm_ioctl+0x201/0x3b0 [drm] [172536.665369] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665372] ? selinux_file_ioctl+0x135/0x230 [172536.665399] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [172536.665403] __x64_sys_ioctl+0x83/0xb0 [172536.665406] do_syscall_64+0x33/0x40 [172536.665409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Error: https://gitlab.freedesktop.org/drm/amd/-/issues/2018
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-13 21:53

NVD link : CVE-2022-49335

Mitre link : CVE-2022-49335

CVE.ORG link : CVE-2022-49335

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference