In the Linux kernel, the following vulnerability has been resolved:
mptcp: use proper req destructor for IPv6
Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6.
It is important to use the right destructor to avoid memory leaks with some advanced IPv6 features, e.g. when the request socks contain specific IPv6 options.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perf-debuginfoUpgrade kernel-headersUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.90-54.138Upgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade perfUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.165-143.735Upgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-tools | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-riscv-5.15Upgrade linux-intel-iotgUpgrade linux-gcpUpgrade linux-oracle-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linuxUpgrade linux-intel-iot-realtimeUpgrade linux-gkeUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-raspiUpgrade linux-awsUpgrade linux-aws-5.15Upgrade linux-oracleUpgrade linux-nvidiaUpgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-lowlatencyUpgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-azure-fdeUpgrade linux-ibmUpgrade linux-intel-iotg-5.15Upgrade linux-realtime | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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