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CVE-2025-68285 is a use-after-free vulnerability in the Linux kernel's libceph client session initialization. During the wait loop in __ceph_open_session(), have_mon_and_osd_map() reads monitor-map and OSD-map epoch fields without acquiring the locks protecting those maps. Concurrent map-update handlers can free and replace a map while these reads occur, causing dereferences of freed kernel memory. The flaw was reproduced with KASAN during Ceph filesystem mounting. It can potentially disrupt kernel availability; reliable exploitation for code execution has not been established.
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No public exploit code observed for this vulnerability.
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47 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability covered by Oracle Linux kernel update ELSA-2026-71602; individual technical details and exploit availability are not specified.
Listed in an AlmaLinux 10 kernel security advisory referencing RHSA-2026:71602. Individual vulnerability details are not provided; exploit availability is stated at the advisory level.
A potential use-after-free vulnerability in the Linux kernel libceph have_mon_and_osd_map() function.
Potential use-after-free vulnerability in the Linux kernel libceph component.
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.