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CVE-2022-4128

Date: November 27, 2022

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.

Language: C

Severity Score

Related Resources (7)

https://access.redhat.com/security/cve/CVE-2022-4128
https://github.com/torvalds/linux/commit/5c835bb142d4
https://nvd.nist.gov/vuln/detail/CVE-2022-4128
https://security-tracker.debian.org/tracker/CVE-2022-4128
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau@linux.intel.com/
https://www.mend.io/vulnerability-database/CVE-2022-4128

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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