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CVE-2022-45887 is a memory-leak vulnerability in the Linux kernel TTUSB-DEC USB media driver, affecting kernel versions through 6.0.9. The cleanup routine ttusb_dec_exit_dvb() fails to invoke dvb_frontend_detach(), leaving frontend-related memory allocated after device teardown. The defect is classified as CWE-401, Missing Release of Memory after Effective Lifetime.
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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.
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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel TTUSB DVB driver memory leak in ttusb_dec_exit_dvb.
Linux kernel memory leak in the TTUSB DVB driver cleanup routine.
Linux kernel memory-leak vulnerability in the TTUSB-dec media driver.
Linux kernel memory leak in ttusb_dec_exit_dvb().
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.