CVE-2026-98758Medium· 4.1▾ SunlitA flaw was found in the Linux kernel's USB Type-C Connector System Software Interface (UCSI) GLINK driver. A local attacker with administrative privileges could trigger this flaw during device removal, leading to a Denial of Service (DoS) …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22.5 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 4.1
none → medium
A flaw was found in the Linux kernel's USB Type-C Connector System Software Interface (UCSI) GLINK driver. A local attacker with administrative privileges could trigger this flaw during device removal, leading to a Denial of Service (DoS) or potentially arbitrary code execution. The issue occurs because background callback tasks can continue to queue and run after the driver has unregistered its resources, causing the system to access memory that has already been freed.
kernel: usb: typec: ucsi: glink: fix use-after-free of ucsi on remove — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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