IT

Tracker / CVE-2024-50269

CVE-2024-50269

High 7.8

In the Linux kernel, the following vulnerability has been resolved: usb: musb: sunxi: Fix accessing an released usb phy Commit 6ed05c68cbca ("usb: musb: sunxi: Explicitly release USB PHY on exit") will cause that usb phy @glue->xceiv is accessed after released. 1) register platform driver @sunxi_musb_driver // get the usb phy @glue->xceiv sunxi_musb_probe() -> devm_usb_get_phy(). 2) register and unregister platform driver @musb_driver musb_probe() -> sunxi_musb_init() use the phy here //the phy is released here musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy() 3) register @musb_driver again musb_probe() -> sunxi_musb_init() use the phy here but the phy has been released at 2). ... Fixed by reverting the commit, namely, removing devm_usb_put_phy() from sunxi_musb_exit().

Affected products and versions

linux linux_kernel
linux linux_kernel · 4.13.10 → 4.14
linux linux_kernel · 4.14 → 4.19.324
linux linux_kernel · 4.20 → 5.4.286
linux linux_kernel · 4.4.95 → 4.5
linux linux_kernel · 4.9.59 → 4.10
linux linux_kernel · 5.11 → 5.15.172
linux linux_kernel · 5.16 → 6.1.117
linux linux_kernel · 5.5 → 5.10.230
linux linux_kernel · 6.2 → 6.6.61
linux linux_kernel · 6.7 → 6.11.8

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References