In the Linux kernel, the following vulnerability has been resolved:
media: camss: Clean up received buffers on failed start of streaming
It is required to return the received buffers, if streaming can not be started. For instance media_pipeline_start() may fail with EPIPE, if a link validation between entities is not passed, and in such a case a user gets a kernel warning:
WARNING: CPU: 1 PID: 520 at drivers/media/common/videobuf2/videobuf2-core.c:1592 vb2_start_streaming+0xec/0x160 <snip> Call trace: vb2_start_streaming+0xec/0x160 vb2_core_streamon+0x9c/0x1a0 vb2_ioctl_streamon+0x68/0xbc v4l_streamon+0x30/0x3c __video_do_ioctl+0x184/0x3e0 video_usercopy+0x37c/0x7b0 video_ioctl2+0x24/0x40 v4l2_ioctl+0x4c/0x70
The fix is to correct the error path in video_start_streaming() of camss.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Ubuntu | — | Upgrade linux-hwe-5.15Upgrade linux-fipsUpgrade linux-oracle-5.15Upgrade linux-gcp-5.15Upgrade linux-intel-iotgUpgrade linux-azure-4.15Upgrade linux-realtimeUpgrade linux-azure-fipsUpgrade linux-gcp-4.15Upgrade linux-xilinx-zynqmpUpgrade linux-riscv-5.15Upgrade linux-hwe-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-ibmUpgrade linux-azure-5.15Upgrade linux-hweUpgrade linux-azure-5.4Upgrade linux-gcp-5.4Upgrade linux-gkeopUpgrade linux-aws-fipsUpgrade linux-nvidiaUpgrade linux-gcp-fipsUpgrade linux-kvmUpgrade linux-aws-hweUpgrade linux-iotUpgrade linux-azureUpgrade linux-oracleUpgrade linux-lowlatencyUpgrade linux-nvidia-tegra-5.15Upgrade linux-gcpUpgrade linux-bluefieldUpgrade linux-aws-5.4Upgrade linux-azure-fdeUpgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-ibm-5.4Upgrade linux-oracle-5.4Upgrade linux-gkeUpgrade linux-raspi-5.4Upgrade linuxUpgrade linux-intel-iot-realtimeUpgrade linux-awsUpgrade linux-lowlatency-hwe-5.15 | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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