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In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Initialise reader page order in rb_allocate_cpu_buffer()
In rb_allocate_cpu_buffer(), bpage->order was omitted, leaving it as 0. This is an issue for a ring-buffer with subbufs bigger than PAGE_SIZE if when freed: free_buffer_page() relies on this value. Align the value with the actual allocation size (buffer::subbuf_order).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade perf6.18Upgrade bpftool6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18Upgrade kernel6.18-tools-debuginfoUpgrade perf6.18-debuginfoUpgrade python3-perf6.18-debuginfoUpgrade kernel6.18-modules-extra-commonUpgrade python3-perf6.18Upgrade kernel-livepatch-6.18.48-107.148Upgrade kernel6.18-toolsUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-develUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-debuginfoUpgrade kernel6.18-tools-develUpgrade microvm-kernel6.18Upgrade kernel6.18-headersUpgrade kernel6.18-modules-extra | Sep 30, 2026 | Aug 22, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 26, 2026 | Aug 26, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 22, 2026 |
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