CVE-2022-48945

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-48945
In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix compose size exceed boundary syzkaller found a bug: BUG: unable to handle page fault for address: ffffc9000a3b1000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 23489 Comm: vivid-000-vid-c Not tainted 6.1.0-rc1+ #512 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:memcpy_erms+0x6/0x10 [...] Call Trace: <TASK> ? tpg_fill_plane_buffer+0x856/0x15b0 vivid_fillbuff+0x8ac/0x1110 vivid_thread_vid_cap_tick+0x361/0xc90 vivid_thread_vid_cap+0x21a/0x3a0 kthread+0x143/0x180 ret_from_fork+0x1f/0x30 </TASK> This is because we forget to check boundary after adjust compose->height int V4L2_SEL_TGT_CROP case. Add v4l2_rect_map_inside() to fix this problem for this case.

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/2f558c5208b0f70c8140e08ce09fcc84da48e789 Patch
https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 Patch
https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a Patch
https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 Patch
https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 Patch
https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 Patch
https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 Patch
https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b Patch
https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f 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

08 Oct 2025, 17:09

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789 - () https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789 - Patch
References () https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 - () https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 - Patch
References () https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a - () https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a - Patch
References () https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 - () https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 - Patch
References () https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 - () https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 - Patch
References () https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 - () https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 - Patch
References () https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 - () https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 - Patch
References () https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b - () https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b - Patch
References () https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f - () https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE NVD-CWE-noinfo
First Time Linux
Linux linux Kernel

26 Sep 2024, 13:32

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: vivid: fix compose size above bound syzkaller encontró un error: BUG: no se puede manejar la falla de página para la dirección: ffffc9000a3b1000 #PF: acceso de escritura del supervisor en modo kernel #PF: error_code(0x0002) - página no presente PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 23489 Comm: vivid-000-vid-c No contaminado 6.1.0-rc1+ #512 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 RIP: 0010:memcpy_erms+0x6/0x10 [...] Seguimiento de llamadas: ? tpg_fill_plane_buffer+0x856/0x15b0 vivid_fillbuff+0x8ac/0x1110 vivid_thread_vid_cap_tick+0x361/0xc90 vivid_thread_vid_cap+0x21a/0x3a0 kthread+0x143/0x180 ret_from_fork+0x1f/0x30 Esto se debe a que olvidamos verificar el límite después de ajustar el caso V4L2_SEL_TGT_CROP en el int compose-&gt;height. Agregue v4l2_rect_map_inside() para solucionar este problema en este caso.

23 Sep 2024, 10:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-09-23 10:15

Updated : 2025-10-08 17:09

NVD link : CVE-2022-48945

Mitre link : CVE-2022-48945

CVE.ORG link : CVE-2022-48945

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo