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In the Linux kernel, the following vulnerability has been resolved:
media: af9005: Fix null-ptr-deref in af9005_i2c_xfer
In af9005_i2c_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach af9005_i2c_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to prevent crash.
Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelists | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-aws-5.4Upgrade linux-intel-iotgUpgrade linux-aws-fipsUpgrade linux-oracle-5.15Upgrade linux-azure-5.15Upgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-bluefieldUpgrade linux-realtimeUpgrade linux-raspi-5.4Upgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-ibm-5.15Upgrade linux-gkeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-fdeUpgrade linux-azure-fde-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-xilinx-zynqmpUpgrade linux-intel-iotg-5.15Upgrade linux-lowlatencyUpgrade linux-fipsUpgrade linux-riscv-5.15Upgrade linux-gkeopUpgrade linux-oracle-5.4Upgrade linux-gcpUpgrade linux-hwe-5.4Upgrade linux-oracleUpgrade linux-nvidia-tegraUpgrade linux-hwe-5.15Upgrade linux-azureUpgrade linux-azure-fipsUpgrade linux-iotUpgrade linux-azure-5.4Upgrade linux-awsUpgrade linux-nvidia-tegra-igxUpgrade linux-aws-5.15Upgrade linuxUpgrade linux-gcp-fipsUpgrade linux-gcp-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-raspiUpgrade linux-ibm-5.4 | Jan 6, 2026 | Jan 2, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 30, 2025 |
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