Medium severity5.5NVD Advisory· Published May 28, 2026· Updated Jun 10, 2026
CVE-2026-46146
CVE-2026-46146
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.4.297,<5.5
- cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/076d5d13eb9c1ad259a7f246149f6676c62285f9nvdPatch
- git.kernel.org/stable/c/24a40df79307ca7ca0eec0889361cf6ac146d72anvdPatch
- git.kernel.org/stable/c/316aa0b1e3c5600eae5ab876394c1ac70e6db581nvdPatch
- git.kernel.org/stable/c/4e0ee232ebe3df04874125d7c7f3e6c25ea5483dnvdPatch
- git.kernel.org/stable/c/6e7247d8f5fefeceb0bb9cc80a5388a636b219cdnvdPatch
- git.kernel.org/stable/c/be09b47ed8677d76962e3240c145502e2ad9f3c8nvdPatch
- git.kernel.org/stable/c/e0e3dcf48189603f3865f1a0b799b3b42baae96dnvdPatch
- git.kernel.org/stable/c/fa5b19ce69067874b1413f3c2027563bae8c2cb3nvdPatch
News mentions
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