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CVE-2021-0448

Good to know:

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Date: November 6, 2020

A security vulnerability was found in Linux Kernel before 4.4.239, 4.9.239, 4.14.201, 4.19.150, 5.4.70, and 5.8.13. Missing range check for l3/l4 protonum in netfilter.c

Language: C

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-0448
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-0448
https://github.com/gregkh/linux/commit/1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6
https://www.mend.io/vulnerability-database/CVE-2021-0448

Severity Score

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-libc-headers - 5.10

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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): LOW
Availability (A): HIGH

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