CVE-2023-53178 is a race condition in the Linux kernel zswap writeback mechanism. During zswap-shrink writeback, a local reference to a zswap entry can become stale after its swap offset is invalidated and reused for another page. The stale entry can subsequently be written to the reused swap offset, causing a later swap-in to restore data belonging to the prior page rather than the current page.
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Referenced by the TuxCare CentOS 8.5 security advisory; no vulnerability details are provided.
A race condition in Linux kernel memory management's zswap writeback handling.
A Linux kernel memory-management flaw caused by a race condition in zswap writeback.
Linux kernel memory-management flaw involving a zswap writeback race condition.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.