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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 19, 2025 | Sep 19, 2025 |
| Ubuntu | — | Upgrade linux-intel-iot-realtimeUpgrade linux-riscv-5.15Upgrade linux-oracle-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-ibmUpgrade linux-lowlatencyUpgrade linux-nvidiaUpgrade linux-gcpUpgrade linux-oracleUpgrade linuxUpgrade linux-kvmUpgrade linux-intel-iotg-5.15Upgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-gcp-5.15Upgrade linux-raspiUpgrade linux-nvidia-tegraUpgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-aws-5.15Upgrade linux-azureUpgrade linux-gkeUpgrade linux-bluefieldUpgrade linux-ibm-5.15Upgrade linux-awsUpgrade linux-hwe-5.15Upgrade linux-realtime | 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 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub