CVE - CVE-2025-38226

CVE-ID
CVE-2025-38226	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/00da1c767a6567e56f23dda586847586868ac064 URL:https://git.kernel.org/stable/c/00da1c767a6567e56f23dda586847586868ac064 MISC:https://git.kernel.org/stable/c/5d89aa42534723400fefd46e26e053b9c382b4ee URL:https://git.kernel.org/stable/c/5d89aa42534723400fefd46e26e053b9c382b4ee MISC:https://git.kernel.org/stable/c/635cea4f44c1ddae208666772c164eab5a6bce39 URL:https://git.kernel.org/stable/c/635cea4f44c1ddae208666772c164eab5a6bce39 MISC:https://git.kernel.org/stable/c/89b5ab822bf69867c3951dd0eb34b0314c38966b URL:https://git.kernel.org/stable/c/89b5ab822bf69867c3951dd0eb34b0314c38966b MISC:https://git.kernel.org/stable/c/c56398885716d97ee9bcadb2bc9663a8c1757a34 URL:https://git.kernel.org/stable/c/c56398885716d97ee9bcadb2bc9663a8c1757a34 MISC:https://git.kernel.org/stable/c/f6b1b0f8ba0b61d8b511df5649d57235f230c135 URL:https://git.kernel.org/stable/c/f6b1b0f8ba0b61d8b511df5649d57235f230c135 MISC:https://git.kernel.org/stable/c/f83ac8d30c43fd902af7c84c480f216157b60ef0 URL:https://git.kernel.org/stable/c/f83ac8d30c43fd902af7c84c480f216157b60ef0
Assigning CNA
kernel.org
Date Record Created
20250416	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250416)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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