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CVE-2026-46117 is an input-validation vulnerability in the Linux kernel RDMA/mana component's mana_ib_create_qp_rss() function. A user can submit work queues (WQs) sharing the same completion queue (CQ) through the RDMA userspace API during receive-side scaling (RSS) queue-pair creation. The vulnerable implementation triggers WARN_ON() but continues processing the invalid configuration, leading to kernel corruption. The corrected implementation rejects the configuration and fails queue-pair creation.
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No public exploit code observed for this vulnerability.
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19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel RDMA/mana issue involving a user-triggerable WARN_ON() condition in mana_ib_create_qp_rss().
A vulnerability addressed by the Red Hat Enterprise Linux 10 kernel update; the supplied content does not provide a flaw-specific description.
A vulnerability addressed by the Red Hat Enterprise Linux 9.6 kernel-package advisory RHSA:2026:67720; no technical flaw details are supplied.
Linux kernel RDMA/MANA issue in which a user could trigger a WARN_ON() condition through mana_ib_create_qp_rss().
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.