CVE-2026-98760
Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: fix uninitialized typec_partner_desc in tps6598x_connect() tps6598x_connect() passes a stack-allocated typec_partner_desc to typec_register_partner() after initializing only usb_pd, accessory and identity. typec_register_partner() copies attach and deattach from the descriptor into the partner. With those fields left unset, garbage function pointers may be stored and later invoked from typec_partner_link_device() when a USB device is linked to the port. Uninitialized pd_revision and usb_capability similarly leak stack data through partner sysfs. Zero-initialize the descriptor so optional callbacks remain NULL and the remaining fields are zero.
How to fix
- Linux Linuxbab4210634be8e6d4181155d1b99106ad24cea70, 72582e9bb721cd766ae333af8ebf90061dfefeaf, a39d53f70e637ff3970046c32106a0e64fca62cd, 4b6823ce0e548491cb9663303cba28e18d351096, 282be6ae8be791762740107c79cecf5121f66063, dac0c073c6ad5f1bbb5e9fea9023fc1b4dab5e14, c4b27b3605788bbf9e4251f3cd4ab94645ab036f or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < bab4210634be8e6d4181155d1b99106ad24cea70, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < 72582e9bb721cd766ae333af8ebf90061dfefeaf, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < a39d53f70e637ff3970046c32106a0e64fca62cd, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < 4b6823ce0e548491cb9663303cba28e18d351096, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < 282be6ae8be791762740107c79cecf5121f66063, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < dac0c073c6ad5f1bbb5e9fea9023fc1b4dab5e14, 0a4c005bd1715d8b32a368ed5516a6ee7e603d18 ≤ v < c4b27b3605788bbf9e4251f3cd4ab94645ab036f, 4.15 | bab4210634be8e6d4181155d1b99106ad24cea70, 72582e9bb721cd766ae333af8ebf90061dfefeaf, a39d53f70e637ff3970046c32106a0e64fca62cd, 4b6823ce0e548491cb9663303cba28e18d351096, 282be6ae8be791762740107c79cecf5121f66063, dac0c073c6ad5f1bbb5e9fea9023fc1b4dab5e14, c4b27b3605788bbf9e4251f3cd4ab94645ab036f |
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