In the Linux kernel, the following vulnerability has been resolved:
usb: typec: bus: verify partner exists in typec_altmode_attention
Some usb hubs will negotiate DisplayPort Alt mode with the device but will then negotiate a data role swap after entering the alt mode. The data role swap causes the device to unregister all alt modes, however the usb hub will still send Attention messages even after failing to reregister the Alt Mode. type_altmode_attention currently does not verify whether or not a device's altmode partner exists, which results in a NULL pointer error when dereferencing the typec_altmode and typec_altmode_ops belonging to the altmode partner.
Verify the presence of a device's altmode partner before sending the Attention message to the Alt Mode driver.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade python-perfUpgrade bpftoolUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-livepatch-5.15.133-86.144Upgrade kernelUpgrade kernel-livepatch-5.10.196-185.743Upgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-headersUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-tools-develUpgrade kernel-libbpfUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-livepatch-6.1.55-75.123Upgrade kernel-debuginfoUpgrade kernel-toolsUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade kernel | Feb 20, 2026 | Dec 30, 2025 |
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.4Upgrade linux-intel-iotgUpgrade linux-xilinx-zynqmpUpgrade linux-nvidia-tegraUpgrade linux-ibm-5.15Upgrade linux-ibmUpgrade linux-azure-5.15Upgrade linux-aws-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-bluefieldUpgrade linux-fipsUpgrade linux-raspi-5.4Upgrade linux-riscv-5.15Upgrade linux-azure-fdeUpgrade linux-intel-iotg-5.15Upgrade linux-realtimeUpgrade linux-nvidia-tegra-igxUpgrade linux-gcp-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-oracleUpgrade linux-gcp-5.4Upgrade linux-gkeUpgrade linux-oracle-5.15Upgrade linux-gcpUpgrade linux-ibm-5.4Upgrade linux-hwe-5.15Upgrade linuxUpgrade linux-azure-5.4Upgrade linux-azure-fipsUpgrade linux-azureUpgrade linux-gkeopUpgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-gcp-fipsUpgrade linux-lowlatencyUpgrade linux-raspiUpgrade linux-aws-5.4Upgrade linux-hwe-5.4Upgrade linux-aws-5.15Upgrade linux-iot | 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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