CVE-2022-48945

MEDIUM EPSS 11.0%
Published Sep 23, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 23, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
11.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥3.18  –  <4.9.337
linuxlinux_kernel*≥4.10  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 9

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

Remediation

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