Description
In the Linux kernel, the following vulnerability has been resolved: power: supply: cros_usbpd: Limit port counts to EC_USB_PD_MAX_PORTS Currently the cros_usbpd-charger driver probe iterates based on raw charger port count returned by the embedded controller. The only check is against the number of USB PD ports which the embedded controller also defines. A malicious embedded controller could return an inaccurate port count (up to 255) resulting in an out of bounds write and subsequent memory corruption. Update helper functions in cros_usbpd-charger to limit port counts to EC_USB_PD_MAX_PORTS.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
3af15cfacd1eef7f223802d49a88cae23c509183 to < e951b65ef1699439079b723ca5c72cbe44771647affected3af15cfacd1eef7f223802d49a88cae23c509183 to < 3ce9218639ff62d011eb8aca0943aa670a654c7baffected3af15cfacd1eef7f223802d49a88cae23c509183 to < dce1750ddbd3380b1f6090dda2b07d2ebea2261daffected3af15cfacd1eef7f223802d49a88cae23c509183 to < 3262977a05b23d1be9fc86727a2b490ec997543eaffected3af15cfacd1eef7f223802d49a88cae23c509183 to < fd5f289cca04ad869b34fc9ccb647670bfdb60acaffected3af15cfacd1eef7f223802d49a88cae23c509183 to < 4b1f2be1e1b74a50386ba718de3d62bfcf5ee701affected3af15cfacd1eef7f223802d49a88cae23c509183 to < 304a29ac55ba3ee6eceaf7d83d09cd9709f3bf60affected3af15cfacd1eef7f223802d49a88cae23c509183 to < 657cd3a42e937276262c0a8ae6b01a87004309deaffected
Linux Linux
Default version status: affected
4.20affected0 to < 4.20unaffected5.10.270 to ≤ 5.10.*unaffected5.15.221 to ≤ 5.15.*unaffected6.1.188 to ≤ 6.1.*unaffected6.6.157 to ≤ 6.6.*unaffected6.12.109 to ≤ 6.12.*unaffected6.18.50 to ≤ 6.18.*unaffected7.2.4 to ≤ 7.2.*unaffected7.3 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/e951b65ef1699439079b723ca5c72cbe44771647 ↗
- https://git.kernel.org/stable/c/3ce9218639ff62d011eb8aca0943aa670a654c7b ↗
- https://git.kernel.org/stable/c/dce1750ddbd3380b1f6090dda2b07d2ebea2261d ↗
- https://git.kernel.org/stable/c/3262977a05b23d1be9fc86727a2b490ec997543e ↗
- https://git.kernel.org/stable/c/fd5f289cca04ad869b34fc9ccb647670bfdb60ac ↗
- https://git.kernel.org/stable/c/4b1f2be1e1b74a50386ba718de3d62bfcf5ee701 ↗
- https://git.kernel.org/stable/c/304a29ac55ba3ee6eceaf7d83d09cd9709f3bf60 ↗
- https://git.kernel.org/stable/c/657cd3a42e937276262c0a8ae6b01a87004309de ↗