In the Linux kernel, the following vulnerability has been resolved:
mptcp: reclaim forward-allocated memory on RX path errors
After commit 9db5b3cec4ec ("mptcp: borrow forward memory from subflow"), errors in the receive path prior to queueing skbs into the receive queue do not trigger forward-allocated memory reclaiming.
Prevent forward memory from growing unboundedly in pathological drop scenarios by explicitly reclaiming memory when skbs are dropped.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-modules-extra-commonUpgrade python3-perf6.18Upgrade perf6.18Upgrade bpftool6.18Upgrade kernel6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-headersUpgrade perf6.18-debuginfoUpgrade kernel6.18-toolsUpgrade python3-perf6.18-debuginfoUpgrade kernel6.18-debuginfoUpgrade kernel6.18-tools-develUpgrade kernel6.18-modules-extraUpgrade kernel6.18-develUpgrade microvm-kernel6.18Upgrade kernel-livepatch-6.18.48-107.148Upgrade bpftool6.18-debuginfo | Sep 30, 2026 | Aug 26, 2026 |
| Redhat_linux | — | No solution exists | Aug 31, 2026 | Aug 26, 2026 |
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