CVE-2026-46146Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3() The convert_chmap_v3() has a loop with its increment size of cs_desc->wLength, but we forgot to val…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()
The convert_chmap_v3() has a loop with its increment size of cs_desc->wLength, but we forgot to validate cs_desc->wLength itself, which may lead to potential endless loop by a malformed descriptor.
Add a proper size check to abort the loop for plugging the hole.
linux_kernel >= 5.4.297, < 5.5linux_kernel >= 5.10.241, < 5.10.258linux_kernel >= 5.15.190, < 5.15.209linux_kernel >= 6.1.149, < 6.1.175linux_kernel >= 6.6.103, < 6.6.140linux_kernel >= 6.12.43, < 6.12.88linux_kernel >= 6.15.11, < 6.16linux_kernel >= 6.16.2, < 6.17linux_kernel >= 6.17.1, < 6.18.30linux_kernel >= 6.19, < 7.0.7linux_kernel = 6.17linux_kernel = 7.1Upgrade past the affected range:
linux_kernel 7.0.7Connected by shared product, vendor, weakness, or advisory.
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