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China National Vulnerability DatabaseCNVD-2022-85505HistoryNov 30, 2022 - 12:00 a.m.
Linux kernel MPTCP protocol denial of service vulnerability
2022-11-3000:00:00
China National Vulnerability Database
www.cnvd.org.cn
9
linux kernel
mptcp protocol
denial-of-service
vulnerability
null pointer dereference
subflow list
local attackers
exploitation
disconnection
0.0004 Low
EPSS
Percentile
5.1%
Linux kernel is the kernel used by the Linux Foundation’s open source operating system Linux. mptcp_protocol 5.19 or earlier has a denial-of-service vulnerability that stems from a null pointer dereference in the MPTCP protocol when traversing the subflow list upon disconnection, which can be exploited by local attackers to launch denial-of-service attacks.
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux mptcp_protocol | lt | 5.19 |
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