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CVE-2022-45934 is an integer wraparound vulnerability in the Linux kernel Bluetooth L2CAP implementation through version 6.0.10. The flaw is in l2cap_config_req() in net/bluetooth/l2cap_core.c, where malicious L2CAP configuration-request packets can cause an integer overflow. Repeated malicious requests can disrupt Bluetooth connection handling and result in denial of service.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel Bluetooth L2CAP integer-overflow vulnerability.
Linux kernel Bluetooth L2CAP integer-overflow vulnerability.
Linux kernel Bluetooth L2CAP integer-overflow vulnerability.
Linux kernel Bluetooth L2CAP integer-overflow vulnerability.
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.