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CVE-2022-48701 is an out-of-bounds read vulnerability in the Linux kernel ALSA USB-audio subsystem. The flaw occurs in __snd_usb_parse_audio_interface() while parsing an interface descriptor for a USB audio device reporting USB ID 0x04fa:0x4201 when the device exposes fewer than four interfaces. The vulnerable code did not validate the interface count before accessing interface data. The fix adds an interface-count check.
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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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An out-of-bounds flaw in the Linux kernel ALSA USB audio subsystem.
An out-of-bounds vulnerability in the Linux kernel ALSA USB-audio component.
Out-of-bounds vulnerability in the Linux kernel ALSA USB audio component.
An out-of-bounds flaw in the Linux kernel ALSA USB-audio component.
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.