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CVE-2026-53185 is a use-after-free vulnerability in the Linux kernel zram subsystem's zram_bvec_write_partial() path. For a ZRAM_WB slot, zram_bvec_write_partial() passes its parent bio to zram_read_page(), which selects an asynchronous backing-device read path. zram_read_page() can return before that read completes; the caller subsequently copies from the page, writes it, and frees it. The outstanding asynchronous read can then write into the freed page. The analogous partial-read path had already been changed to force synchronous reads, but the corresponding partial-write path was omitted.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel vulnerability addressed for AlmaLinux 10.
Use-after-free vulnerability in the Linux kernel zram_bvec_write_partial function.
A Linux kernel vulnerability addressed by the Oracle Linux patch; no flaw details are provided.
A vulnerability addressed by AlmaLinux ALSA-2026:63014 affecting listed AlmaLinux 8 kernel packages.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.