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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 7, 2025 | Jul 4, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Sep 10, 2025 | Jul 4, 2025 |
| Suse | — | Upgrade dtb-appleUpgrade dtb-freescaleUpgrade kernel-source-rtUpgrade dtb-renesasUpgrade dtb-sprdUpgrade kernel-default-baseUpgrade kernel-debug-develUpgrade kernel-64kb-extraUpgrade kernel-azure-vdsoUpgrade kernel-debugUpgrade dtb-amazonUpgrade kernel-syms-rtUpgrade dlm-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-source-vanillaUpgrade ocfs2-kmp-64kbUpgrade kernel-default-livepatch-develUpgrade kernel-docs-htmlUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-64kbUpgrade dlm-kmp-defaultUpgrade dtb-broadcomUpgrade dtb-hisiliconUpgrade kernel-default-livepatchUpgrade reiserfs-kmp-rtUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt_debug-vdsoUpgrade reiserfs-kmp-64kbUpgrade kernel-symsUpgrade kselftests-kmp-azureUpgrade dtb-marvellUpgrade kernel-defaultUpgrade dtb-amdUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debug-develUpgrade kselftests-kmp-defaultUpgrade kernel-64kb-develUpgrade kselftests-kmp-rtUpgrade dlm-kmp-azureUpgrade kernel-64kbUpgrade kernel-default-develUpgrade reiserfs-kmp-defaultUpgrade kernel-azure-extraUpgrade kernel-rt-optionalUpgrade gfs2-kmp-defaultUpgrade kernel-docsUpgrade cluster-md-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade dtb-socionextUpgrade dtb-armUpgrade kernel-devel-rtUpgrade dtb-alteraUpgrade ocfs2-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-rt-develUpgrade kernel-azure-optionalUpgrade gfs2-kmp-azureUpgrade kernel-syms-azureUpgrade dtb-lgUpgrade kernel-zfcpdumpUpgrade kernel-azureUpgrade dtb-caviumUpgrade kernel-debug-vdsoUpgrade kernel-rtUpgrade kernel-develUpgrade kernel-rt-livepatchUpgrade kernel-rt-vdsoUpgrade dtb-allwinnerUpgrade dtb-xilinxUpgrade dtb-apmUpgrade kselftests-kmp-64kbUpgrade kernel-source-azureUpgrade kernel-macrosUpgrade kernel-kvmsmall-develUpgrade kernel-default-extraUpgrade dtb-qcomUpgrade reiserfs-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade dtb-exynosUpgrade kernel-sourceUpgrade kernel-obs-buildUpgrade dtb-amlogicUpgrade dtb-mediatekUpgrade cluster-md-kmp-azureUpgrade kernel-kvmsmallUpgrade kernel-default-vdsoUpgrade kernel-default-optionalUpgrade kernel-azure-develUpgrade gfs2-kmp-rtUpgrade kernel-obs-qaUpgrade kernel-default-base-rebuildUpgrade kernel-rt-extraUpgrade kernel-devel-azureUpgrade dtb-rockchipUpgrade dtb-nvidiaUpgrade dlm-kmp-64kb | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-xilinx-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-aws-fips-6.8Upgrade linux-image-azure-cvmUpgrade linux-image-6.14.0-34-genericUpgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-5.15.0-156-fipsUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-realtimeUpgrade linux-image-raspi-6.14Upgrade linux-image-gke-64kUpgrade linux-image-gcp-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.14.0-1016-raspiUpgrade linux-image-gcpUpgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-raspi-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-raspi-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.14.0-1015-oracleUpgrade 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linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-generic-64k-5.15Upgrade linux-image-generic-64k-6.14Upgrade linux-image-azure-nvidia-6.14Upgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-nvidia-5.15Upgrade linux-image-realtime-6.14Upgrade linux-image-fips-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-gke-64k-6.8Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-nvidia-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-5.15.0-1092-awsUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade 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linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-6.14.0-1018-gcpUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-generic-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-fipsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-oracle-6.14Upgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-ibm-5.15Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-azure-lts-22.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-1018-gcp-64kUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-azure-6.8Upgrade linux-image-kvm-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-azure-fips-5.15Upgrade linux-image-6.14.0-1015-aws-64kUpgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-5.15.0-156-genericUpgrade linux-image-oem-6.14Upgrade linux-image-oem-22.04cUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-lowlatency-5.15Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04 | Jul 9, 2025 | Jul 4, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Jul 4, 2025 |
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