In the Linux kernel, the following vulnerability has been resolved:
mm/damon/ops-common: putback folios on invalid migrate nid
damon_pa_migrate() and damos_va_migrate() isolate folios into a local list and then call damon_migrate_pages(). When target_nid is invalid (including the scheme default NUMA_NO_NODE / -1), damon_migrate_pages() returns early without putting the folios back to the LRU.
Callers then discard the list head while those folios remain isolated with an extra reference taken by folio_isolate_lru(). The pages stay off the LRU for as long as the mapping exists (anon active+inactive counts drop while RSS does not), and the leftover references can pin the pages after the mapping is gone.
Put the folios back on the invalid-nid path so ignored migration requests still return them to the LRU.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-tools-develUpgrade microvm-kernel6.18Upgrade kernel6.18Upgrade kernel6.18-modules-extra-commonUpgrade kernel6.18-headersUpgrade kernel-livepatch-6.18.48-107.148Upgrade kernel6.18-modules-extraUpgrade perf6.18Upgrade bpftool6.18Upgrade kernel6.18-toolsUpgrade python3-perf6.18Upgrade kernel6.18-debuginfo-common-x86_64Upgrade perf6.18-debuginfoUpgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-develUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfoUpgrade python3-perf6.18-debuginfoUpgrade kernel6.18-debuginfo-common-aarch64 | Sep 30, 2026 | Aug 22, 2026 |
| Debian | — | Upgrade linux-6.12Upgrade linux | 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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