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A flaw in the Linux kernel AF_UNIX socket implementation allows stale out-of-band state to persist after an OOB socket buffer has been dequeued from the receive queue. The issue is in OOB handling logic in manage_oob(), where recvmsg() invoked without MSG_OOB can remove a peeked OOB skb from the queue but fails to clear unix_sock(sk)->oob_skb. This leaves the socket in an inconsistent state in which previously consumed or skipped OOB data is still tracked as present. The bug affects AF_UNIX stream socket behavior introduced with OOB support and can lead to incorrect userspace-visible semantics, persistent EPOLLPRI signaling, and interaction with the UNIX socket garbage collector that can trigger locking problems and unreclaimed garbage in self-referential file-descriptor passing scenarios.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
High-severity kernel elevation-of-privilege issue in Net/EPoll subsystems referenced as part of the December 2025 Android bulletin’s kernel bug set.
High-severity Android kernel vulnerability referenced in the December 2025 bulletin as expanding the local kernel privilege-escalation attack surface.
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.