CVE-2026-89470High· 8.4▾ TwilightIn 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 …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 5.4
none → medium
— → 8.4
none → high
8.4 → 5.4
high → medium
5.4 → 8.4
medium → high
8.4 → 5.5
high → medium
0.2% → 0.2%
Last analysed / modified upstream
5.5 → 8.4
medium → high
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.
Linux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < e951b65ef1699439079b723ca5c72cbe44771647Linux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < 3ce9218639ff62d011eb8aca0943aa670a654c7bLinux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < dce1750ddbd3380b1f6090dda2b07d2ebea2261dLinux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < 3262977a05b23d1be9fc86727a2b490ec997543eLinux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < fd5f289cca04ad869b34fc9ccb647670bfdb60acLinux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < 4b1f2be1e1b74a50386ba718de3d62bfcf5ee701Linux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < 304a29ac55ba3ee6eceaf7d83d09cd9709f3bf60Linux >= 3af15cfacd1eef7f223802d49a88cae23c509183 < 657cd3a42e937276262c0a8ae6b01a87004309deLinux 4.20Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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