Skip to content
CVE PROGRAM SOURCE RECORD7.8 High

CVE-2022-48945

media: vivid: fix compose size exceed boundary

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 8c0ee15d9a102c732d0745566d254040085d5663affected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 5edc3604151919da8da0fb092b71d7dce07d848aaffected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 9c7fba9503b826f0c061d136f8f0c9f953ed18b9affected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 54f259906039dbfe46c550011409fa16f72370f6affected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < f9d19f3a044ca651b0be52a4bf951ffe74259b9faffected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < ab54081a2843aefb837812fac5488cc8f1696142affected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < ccb5392c4fea0e7d9f7ab35567e839d74cb3998baffected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 2f558c5208b0f70c8140e08ce09fcc84da48e789affected
  • ef834f7836ec0502f49f20bbc42f1240577a9c83 to < 94a7ad9283464b75b12516c5512541d467cefcf8affected

Linux Linux

Default version status: affected

  • 3.18affected
  • 0 to < 3.18unaffected
  • 4.9.337 to ≤ 4.9.*unaffected
  • 4.14.303 to ≤ 4.14.*unaffected
  • 4.19.270 to ≤ 4.19.*unaffected
  • 5.4.229 to ≤ 5.4.*unaffected
  • 5.10.163 to ≤ 5.10.*unaffected
  • 5.15.86 to ≤ 5.15.*unaffected
  • 6.0.16 to ≤ 6.0.*unaffected
  • 6.1.2 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References