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 bpftool-debuginfoUpgrade kernel-livepatch-4.14.299-223.520Upgrade perf-debuginfoUpgrade kernel-livepatch-5.15.79-51.138Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-develUpgrade perfUpgrade bpftoolUpgrade kernelUpgrade kernel-livepatch-5.10.155-138.670Upgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64 | 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-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelists | 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-gkeopUpgrade linux-gcp-fipsUpgrade linux-gcpUpgrade linux-azure-5.4Upgrade linux-realtimeUpgrade linux-azure-fipsUpgrade linux-raspiUpgrade linux-hwe-5.15Upgrade linux-aws-hweUpgrade linux-aws-5.4Upgrade linux-hwe-5.4Upgrade linux-azureUpgrade linux-intel-iotg-5.15Upgrade linux-kvmUpgrade linux-fipsUpgrade linux-lowlatencyUpgrade linux-oracleUpgrade linux-azure-5.15Upgrade linux-ibmUpgrade linux-hweUpgrade linux-intel-iotgUpgrade linux-oracle-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-gcp-5.4Upgrade linux-gkeUpgrade linux-aws-fipsUpgrade linux-azure-fdeUpgrade linux-riscv-5.15Upgrade linuxUpgrade linux-aws-5.15Upgrade linux-oracle-5.4Upgrade linux-gcp-4.15Upgrade linux-raspi-5.4Upgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-iotUpgrade linux-azure-4.15Upgrade linux-ibm-5.4Upgrade linux-aws | 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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