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CVE-2022-28388 is a double-free flaw in the Linux kernel CAN-over-USB 8dev driver. The defect occurs in the usb_8dev_start_xmit transmit path and affects upstream Linux kernel versions through 5.17.1. Incorrect lifetime handling during transmission can cause the same memory allocation to be released more than once.
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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.
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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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel USB 8dev CAN driver double-free vulnerability.
Linux kernel USB CAN driver double-free vulnerability.
Linux USB CAN driver double-free vulnerability.
Linux kernel double-free flaw in the USB 8dev CAN driver transmit path.
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.