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CVE-2021-0447

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Date: November 6, 2020

A security vulnerability was found in Linux Kernel before 3.2.99, 3.16.54, 4.4.225, 4.9.225 and 4.14.182. Pppol2tp_session_create() registers sessions that can't have their corresponding socket initialised.

Language: C

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-0447
https://github.com/gregkh/linux/commit/ee40fb2e1eb5bc0ddd3f2f83c6e39a454ef5a741
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-0447
https://security-tracker.debian.org/tracker/CVE-2021-0447
https://www.mend.io/vulnerability-database/CVE-2021-0447

Severity Score

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Upgrade to version v3.2.99,v3.16.54,v4.4.225,v4.9.225,v4.14.182,v4.15-rc1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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