CVE-2026-23221

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix use-after-free in driver_override_show() The driver_override_show() function reads the driver_override string without holding the device_lock. However, driver_override_store() uses driver_set_override(), which modifies and frees the string while holding the device_lock. This can result in a concurrent use-after-free if the string is freed by the store function while being read by the show function. Fix this by holding the device_lock around the read operation.

• linux linux kernel (>= 5.10 < 5.15.201) • linux linux kernel (>= 5.16 < 6.1.164) • linux linux kernel (>= 6.2 < 6.6.127) • linux linux kernel (>= 6.7 < 6.12.74) • linux linux kernel (>= 6.13 < 6.18.11) • linux linux kernel (>= 6.19 < 6.19.1)