https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 16:07:23 +0000 https://vulnerability.circl.lu/vuln/cve-2026-31582 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>hwmon: (powerz) Fix use-after-free on USB disconnect</p> <p>After powerz_disconnect() frees the URB and releases the mutex, a subsequent powerz_read() call can acquire the mutex and call powerz_read_data(), which dereferences the freed URB pointer.</p> <p>Fix by: - Setting priv-&gt;urb to NULL in powerz_disconnect() so that powerz_read_data() can detect the disconnected state. - Adding a !priv-&gt;urb check at the start of powerz_read_data() to return -ENODEV on a disconnected device. - Moving usb_set_intfdata() before hwmon registration so the disconnect handler can always find the priv pointer.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>hwmon: (powerz) Fix use-after-free on USB disconnect</p> <p>After powerz_disconnect() frees the URB and releases the mutex, a subsequent powerz_read() call can acquire the mutex and call powerz_read_data(), which dereferences the freed URB pointer.</p> <p>Fix by: - Setting priv-&gt;urb to NULL in powerz_disconnect() so that powerz_read_data() can detect the disconnected state. - Adding a !priv-&gt;urb check at the start of powerz_read_data() to return -ENODEV on a disconnected device. - Moving usb_set_intfdata() before hwmon registration so the disconnect handler can always find the priv pointer.</p> https://vulnerability.circl.lu/vuln/cve-2026-31582