Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes A bad USB device is able to construct a service connection response message with target endpoint being ENDPOINT0 which is reserved for HTC_CTRL_RSVD_SVC and should not be modified to be used for any other services. Reject such service connection responses. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Affected products
linux: linux kernel
References9
- git.kernel.org/stable/c/061b0cb9327b80d7a0f63a33e7c3e2a91a71f142 Patch
- git.kernel.org/stable/c/09740fa9827cfbaf23ecd041e602a426f99be888 Patch
- git.kernel.org/stable/c/1044187e7249073f719ebbf9e5ffb4f16f99e555 Patch
- git.kernel.org/stable/c/4dc3560561a08842b4a4c07ccc5a90e5067dbb5b Patch
- git.kernel.org/stable/c/6a444dffb75238c47d2d852f12cf53f12ad2cba8 Patch
- git.kernel.org/stable/c/95b4b940f0fb2873dcedad81699e869eb7581c85 Patch
- git.kernel.org/stable/c/9e3031eea2d45918dc44cbfc6a6029e82882916f Patch
- git.kernel.org/stable/c/be2a546c30fe8d72efa032bee612363bb75314bd Patch
- git.kernel.org/stable/c/db8df00cd6d801b3abdb145201c2bdd1c665f585 Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 8 November 2026
Could this be exploited in your environment?
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