CVE-2026-31497None▾ SunlitIn 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…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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[].
Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 312c4450fe23014665c163f480edd5ad2e27bbb8Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 9dd13a8641de79bc1bc93da55cdd35259a002683Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 476c9262b430c38c6a701a3b8176a3f48689085bLinux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 6fba3c3d48c927e55611a0f5ea34da88138ed0ffLinux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 834cf890d2c3d29cbfa1ee2376c40469c28ec297Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 1019028eb124564cf7bca58a16f1df8a1ca30726Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 21c254202f9d78abe0fcd642a92966deb92bd226Linux >= baac6276c0a9f36f1fe1f00590ef00d2ba5ba626 < 129fa608b6ad08b8ab7178eeb2ec272c993aacccLinux 5.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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