Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: clamp SCO altsetting table indices btusb_work() maps the number of active SCO links to USB alternate settings through a three-entry lookup table when CVSD traffic uses transparent voice settings. The lookup currently indexes alts[] with data->sco_num - 1 without first constraining sco_num to the number of available table entries. While the table only defines alternate settings for up to three SCO links, data->sco_num comes from hci_conn_num() and is used directly. Cap the lookup to the last table entry before indexing it so the driver keeps selecting the highest supported alternate setting without reading past alts[].
Product status
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 312c4450fe23014665c163f480edd5ad2e27bbb8
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 9dd13a8641de79bc1bc93da55cdd35259a002683
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 476c9262b430c38c6a701a3b8176a3f48689085b
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 6fba3c3d48c927e55611a0f5ea34da88138ed0ff
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 834cf890d2c3d29cbfa1ee2376c40469c28ec297
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 1019028eb124564cf7bca58a16f1df8a1ca30726
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 21c254202f9d78abe0fcd642a92966deb92bd226
baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 (git) before 129fa608b6ad08b8ab7178eeb2ec272c993aaccc
5.8
Any version before 5.8
5.10.253 (semver)
5.15.203 (semver)
6.1.168 (semver)
6.6.131 (semver)
6.12.80 (semver)
6.18.21 (semver)
6.19.11 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/312c4450fe23014665c163f480edd5ad2e27bbb8
git.kernel.org/...c/9dd13a8641de79bc1bc93da55cdd35259a002683
git.kernel.org/...c/476c9262b430c38c6a701a3b8176a3f48689085b
git.kernel.org/...c/6fba3c3d48c927e55611a0f5ea34da88138ed0ff
git.kernel.org/...c/834cf890d2c3d29cbfa1ee2376c40469c28ec297
git.kernel.org/...c/1019028eb124564cf7bca58a16f1df8a1ca30726
git.kernel.org/...c/21c254202f9d78abe0fcd642a92966deb92bd226
git.kernel.org/...c/129fa608b6ad08b8ab7178eeb2ec272c993aaccc