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CVE-2022-42896 is a use-after-free vulnerability in the Linux kernel Bluetooth Logical Link Control and Adaptation Protocol (L2CAP) implementation. The flaw affects L2CAP connection handling in the l2cap_connect and l2cap_le_connect_req functions. A nearby unauthenticated Bluetooth attacker can trigger use of freed kernel objects during connection processing; the affected paths may enable code execution and disclosure of kernel memory.
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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.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel Bluetooth L2CAP use-after-free vulnerability.
Linux Bluetooth L2CAP connection handling use-after-free.
A use-after-free vulnerability in Linux kernel Bluetooth L2CAP connection handling, specifically l2cap_connect and l2cap_le_connect_req, addressed by the Red Hat Enterprise Linux 7 kpatch-patch security update.
A Linux kernel use-after-free vulnerability in the Bluetooth L2CAP connection handling functions l2cap_connect and l2cap_le_connect_req.
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.