CVE-2026-98562Medium· 4.7▾ SunlitA flaw was found in the Linux kernel's Wangxun network driver library (libwx). This vulnerability allows a local user to cause a Denial of Service (DoS) through memory corruption. A race condition in the Precision Time Protocol (PTP) trans…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · 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
Last analysed / modified upstream
0.2%
— → 4.7
none → medium
A flaw was found in the Linux kernel's Wangxun network driver library (libwx). This vulnerability allows a local user to cause a Denial of Service (DoS) through memory corruption. A race condition in the Precision Time Protocol (PTP) transmit timestamp handling fails to properly synchronize packet transmission and cleanup routines. By transmitting network packets configured for hardware timestamping, an attacker can trigger this race condition, causing the system to access already freed memory and crash.
kernel: net: libwx: fix races in Tx timestamp handling — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-20.
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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