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In the Linux kernel, the following vulnerability has been resolved:
serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ
The RS485 trigger hrtimers are embedded in the devm-managed port and can fire after it is freed. The IRQ handler can arm a timer, so free the IRQ first and then cancel both timers.
Complete the RS485 stop without arming a timer, and cancel the timers in remove() for the suspend-then-unbind path, where shutdown is not called.
This issue was found by an in-house static analysis tool.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-toolsUpgrade kernel6.18Upgrade microvm-kernel6.18Upgrade kernel6.18-headersUpgrade kernel6.18-modules-extra-commonUpgrade perf6.18-debuginfoUpgrade kernel6.18-modules-extraUpgrade kernel6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade bpftool6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-tools-debuginfoUpgrade bpftool6.18-debuginfoUpgrade python3-perf6.18-debuginfoUpgrade perf6.18Upgrade python3-perf6.18Upgrade kernel6.18-tools-develUpgrade kernel-livepatch-6.18.48-107.148Upgrade kernel6.18-devel | Sep 30, 2026 | Aug 22, 2026 |
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