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In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: u_serial: Add null pointer check in gserial_suspend
Consider a case where gserial_disconnect has already cleared gser->ioport. And if gserial_suspend gets called afterwards, it will lead to accessing of gser->ioport and thus causing null pointer dereference.
Avoid this by adding a null pointer check. Added a static spinlock to prevent gser->ioport from becoming null after the newly added null pointer check.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 19, 2025 | Sep 19, 2025 |
| Ubuntu | — | Upgrade linux-azureUpgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-realtimeUpgrade linux-bluefieldUpgrade linux-gkeUpgrade linux-azure-fdeUpgrade linux-nvidia-tegra-5.15Upgrade linux-awsUpgrade linux-hwe-5.15Upgrade linux-gcp-5.15Upgrade linux-nvidia-tegraUpgrade linux-lowlatency-hwe-5.15Upgrade linux-ibm-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-gcpUpgrade linuxUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-intel-iotgUpgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-ibmUpgrade linux-riscv-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-oracle-5.15Upgrade linux-nvidia-tegra-igx | Sep 26, 2025 | Sep 17, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 17, 2025 |
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