Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 54f259906039dbfe46c550011409fa16f72370f6 before 57597d8db5bbda618ba2145b7e8a7e6f01b6a27e; affected f9d19f3a044ca651b0be52a4bf951ffe74259b9f before 635cea4f44c1ddae208666772c164eab5a6bce39; affected ab54081a2843aefb837812fac5488cc8f1696142 before 89b5ab822bf69867c3951dd0eb34b0314c38966b; affected 2f558c5208b0f70c8140e08ce09fcc84da48e789 before 5d89aa42534723400fefd46e26e053b9c382b4ee; affected 94a7ad9283464b75b12516c5512541d467cefcf8 before f6b1b0f8ba0b61d8b511df5649d57235f230c135; affected 94a7ad9283464b75b12516c5512541d467cefcf8 before 00da1c767a6567e56f23dda586847586868ac064; affected 94a7ad9283464b75b12516c5512541d467cefcf8 before c56398885716d97ee9bcadb2bc9663a8c1757a34; affected 94a7ad9283464b75b12516c5512541d467cefcf8 before f83ac8d30c43fd902af7c84c480f216157b60ef0; affected 8c0ee15d9a102c732d0745566d254040085d5663; affected 5edc3604151919da8da0fb092b71d7dce07d848a; affected 9c7fba9503b826f0c061d136f8f0c9f953ed18b9; affected ccb5392c4fea0e7d9f7ab35567e839d74cb3998b; affected 5.4.229 before 5.4.296; affected 5.10.163 before 5.10.239; affected 5.15.86 before 5.15.186; affected 6.1.2 before 6.1.142; affected 4.9.337 before 4.10; affected 4.14.303 before 4.15; affected 4.19.270 before 4.20; affected 6.0.16 before 6.1 |
| Linux / Linux | affected 6.2; unaffected 0 before 6.2; unaffected 5.4.296 through 5.4.*; unaffected 5.10.239 through 5.10.*; unaffected 5.15.186 through 5.15.*; unaffected 6.1.142 through 6.1.*; unaffected 6.6.95 through 6.6.*; unaffected 6.12.35 through 6.12.*; unaffected 6.15.4 through 6.15.*; unaffected 6.16 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/57597d8db5bbda618ba2145b7e8a7e6f01b6a27e
- https://git.kernel.org/stable/c/635cea4f44c1ddae208666772c164eab5a6bce39
- https://git.kernel.org/stable/c/89b5ab822bf69867c3951dd0eb34b0314c38966b
- https://git.kernel.org/stable/c/5d89aa42534723400fefd46e26e053b9c382b4ee
- https://git.kernel.org/stable/c/f6b1b0f8ba0b61d8b511df5649d57235f230c135
- https://git.kernel.org/stable/c/00da1c767a6567e56f23dda586847586868ac064
- https://git.kernel.org/stable/c/c56398885716d97ee9bcadb2bc9663a8c1757a34
- https://git.kernel.org/stable/c/f83ac8d30c43fd902af7c84c480f216157b60ef0
ADP enrichment
No English description supplied.