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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2025-38226

media: vivid: Change the siize of the composing

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: media: vivid: Change the siize of the composing syzkaller found a bug: BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2608 [inline] BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_buffer+0x1a9c/0x5af0 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2705 Write of size 1440 at addr ffffc9000d0ffda0 by task vivid-000-vid-c/5304 CPU: 0 UID: 0 PID: 5304 Comm: vivid-000-vid-c Not tainted 6.14.0-rc2-syzkaller-00039-g09fbf3d50205 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 __asan_memcpy+0x40/0x70 mm/kasan/shadow.c:106 tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2608 [inline] tpg_fill_plane_buffer+0x1a9c/0x5af0 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2705 vivid_fillbuff drivers/media/test-drivers/vivid/vivid-kthread-cap.c:470 [inline] vivid_thread_vid_cap_tick+0xf8e/0x60d0 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:629 vivid_thread_vid_cap+0x8aa/0xf30 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:767 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> The composition size cannot be larger than the size of fmt_cap_rect. So execute v4l2_rect_map_inside() even if has_compose_cap == 0.

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

  • 54f259906039dbfe46c550011409fa16f72370f6 to < 57597d8db5bbda618ba2145b7e8a7e6f01b6a27eaffected
  • f9d19f3a044ca651b0be52a4bf951ffe74259b9f to < 635cea4f44c1ddae208666772c164eab5a6bce39affected
  • ab54081a2843aefb837812fac5488cc8f1696142 to < 89b5ab822bf69867c3951dd0eb34b0314c38966baffected
  • 2f558c5208b0f70c8140e08ce09fcc84da48e789 to < 5d89aa42534723400fefd46e26e053b9c382b4eeaffected
  • 94a7ad9283464b75b12516c5512541d467cefcf8 to < f6b1b0f8ba0b61d8b511df5649d57235f230c135affected
  • 94a7ad9283464b75b12516c5512541d467cefcf8 to < 00da1c767a6567e56f23dda586847586868ac064affected
  • 94a7ad9283464b75b12516c5512541d467cefcf8 to < c56398885716d97ee9bcadb2bc9663a8c1757a34affected
  • 94a7ad9283464b75b12516c5512541d467cefcf8 to < f83ac8d30c43fd902af7c84c480f216157b60ef0affected
  • 8c0ee15d9a102c732d0745566d254040085d5663affected
  • 5edc3604151919da8da0fb092b71d7dce07d848aaffected
  • 9c7fba9503b826f0c061d136f8f0c9f953ed18b9affected
  • ccb5392c4fea0e7d9f7ab35567e839d74cb3998baffected
  • 5.4.229 to < 5.4.296affected
  • 5.10.163 to < 5.10.239affected
  • 5.15.86 to < 5.15.186affected
  • 6.1.2 to < 6.1.142affected
  • 4.9.337 to < 4.10affected
  • 4.14.303 to < 4.15affected
  • 4.19.270 to < 4.20affected
  • 6.0.16 to < 6.1affected

Linux Linux

Default version status: affected

  • 6.2affected
  • 0 to < 6.2unaffected
  • 5.4.296 to ≤ 5.4.*unaffected
  • 5.10.239 to ≤ 5.10.*unaffected
  • 5.15.186 to ≤ 5.15.*unaffected
  • 6.1.142 to ≤ 6.1.*unaffected
  • 6.6.95 to ≤ 6.6.*unaffected
  • 6.12.35 to ≤ 6.12.*unaffected
  • 6.15.4 to ≤ 6.15.*unaffected
  • 6.16 to ≤ *unaffected

References