https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 13:18:07 +0000 https://cve.radiocsirt.org/vuln/cve-2022-50568 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: f_hid: fix f_hidg lifetime vs cdev</p> <p>The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted.</p> <p>This can readily be replicated with libusbgx&#39;s example programs (for conciseness - operating directly via configfs is equivalent):</p> <p>gadget-hid exec 3&lt;&gt; /dev/hidg0 gadget-vid-pid-remove exec 3&lt;&amp;-</p> <p>Pull the existing device up in to struct f_hidg and make use of the cdev_device_{add,del}() helpers. This changes the lifetime of the device object to match struct f_hidg, but note that it is still added and deleted at the same time.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: f_hid: fix f_hidg lifetime vs cdev</p> <p>The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted.</p> <p>This can readily be replicated with libusbgx&#39;s example programs (for conciseness - operating directly via configfs is equivalent):</p> <p>gadget-hid exec 3&lt;&gt; /dev/hidg0 gadget-vid-pid-remove exec 3&lt;&amp;-</p> <p>Pull the existing device up in to struct f_hidg and make use of the cdev_device_{add,del}() helpers. This changes the lifetime of the device object to match struct f_hidg, but note that it is still added and deleted at the same time.</p> https://cve.radiocsirt.org/vuln/cve-2022-50568