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Redhat.comRH:CVE-2022-4128HistoryNov 23, 2022 - 11:26 a.m.
CVE-2022-4128
2022-11-2311:26:12
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cve-2022-4128
linux kernel
mptcp
null pointer dereference
subflow list
disconnect time
denial of service
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
5.1%
A NULL pointer dereference issue was discovered in the Linux kernel. This issue occurs in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could potentially crash the system, causing a denial of service.
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5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
5.1%
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