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CVE-2019-19533 is an out-of-bounds read and information-disclosure vulnerability in the Linux kernel ttusb_dec USB digital-video driver, which supports Technotrend/Hauppauge USB DEC devices. In Linux kernel versions before 5.3.4, the driver fails to fully initialize a structure, allowing data from kernel memory to be exposed in responses to device commands issued through a malicious USB device impersonating supported hardware.
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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.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel TTUSB decoder driver information disclosure reachable through a malicious USB device.
Unknown
Linux kernel TTUSB-DEC media-driver information leak caused by a malicious USB device.
An information-disclosure vulnerability in the Linux kernel ttusb-dec USB media driver. A malicious USB device can trigger the flaw in kernel versions before 5.3.4.
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.