In the Linux kernel, the following vulnerability has been resolved:
xhci: Remove device endpoints from bandwidth list when freeing the device
Endpoints are normally deleted from the bandwidth list when they are dropped, before the virt device is freed.
If xHC host is dying or being removed then the endpoints aren't dropped cleanly due to functions returning early to avoid interacting with a non-accessible host controller.
So check and delete endpoints that are still on the bandwidth list when freeing the virt device.
Solves a list_del corruption kernel crash when unbinding xhci-pci, caused by xhci_mem_cleanup() when it later tried to delete already freed endpoints from the bandwidth list.
This only affects hosts that use software bandwidth checking, which currenty is only the xHC in intel Panther Point PCH (Ivy Bridge)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-4.14.299-223.520Upgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.79-51.138Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-livepatch-5.10.155-138.670Upgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade python-perf-debuginfoUpgrade bpftoolUpgrade kernel-develUpgrade kernelUpgrade kernel-debuginfo | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-tools | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade python3-perf | Feb 3, 2026 | Jan 30, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 4, 2025 |
| Ubuntu | — | Upgrade linux-aws-5.4Upgrade linux-hweUpgrade linux-intel-iotgUpgrade linux-azure-fipsUpgrade linux-gcp-5.15Upgrade linux-aws-hweUpgrade linux-lowlatencyUpgrade linux-hwe-5.4Upgrade linux-oracle-5.15Upgrade linux-realtimeUpgrade linux-gcp-fipsUpgrade linux-azure-5.4Upgrade linux-fipsUpgrade linux-gkeUpgrade linux-azureUpgrade linux-gcp-5.4Upgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-raspiUpgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-gcpUpgrade linux-hwe-5.15Upgrade linux-ibmUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-azure-fdeUpgrade linux-riscv-5.15Upgrade linux-gkeopUpgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-oracle-5.4Upgrade linux-aws-5.15Upgrade linux-iotUpgrade linux-raspi-5.4Upgrade linux-bluefieldUpgrade linux-azure-4.15Upgrade linux-ibm-5.4Upgrade linux-gcp-4.15Upgrade linux | Oct 10, 2025 | Oct 4, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Oct 4, 2025 |
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