Threats Tagged 'cve-2026-31582'
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Threats Tagged 'cve-2026-31582'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: hwmon: (powerz) Fix use-after-free on USB disconnect After powerz_disconnect()… (CVE-2026-31582)CVE-2026-31582 0 In the Linux kernel, the following vulnerability has been resolved: hwmon: (powerz) Fix use-after-free on USB disconnect 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. Fix by: - Setting priv->urb to NULL in powerz_disconnect() so that powerz_read_data() can detect the disconnected state. - Adding a !priv->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. Join the discussion | GCVE Database | 04/24/2026, 15:16:00 UTC Added: 07/18/2026, 11:22:36 UTC |
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