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()")
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libs | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-intel-iotg-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-ibmUpgrade linux-lowlatencyUpgrade linux-xilinx-zynqmpUpgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidiaUpgrade linux-intel-iotgUpgrade linux-azure-fde-5.15Upgrade linux-oracle-5.15Upgrade linux-kvmUpgrade linux-ibm-5.15Upgrade linux-aws-5.4Upgrade linux-riscv-5.15Upgrade linux-oracle-5.4Upgrade linux-raspi-5.4Upgrade linux-gkeUpgrade linux-gcpUpgrade linux-hwe-5.4Upgrade linux-gcp-5.15Upgrade linux-aws-fipsUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-fipsUpgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-azure-fipsUpgrade linuxUpgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-gcp-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-hwe-5.15Upgrade linux-gcp-5.4Upgrade linux-iotUpgrade linux-nvidia-tegra-igxUpgrade linux-azure-5.4Upgrade linux-ibm-5.4Upgrade linux-nvidia-tegraUpgrade linux-awsUpgrade linux-azure | 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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