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CVE-2021-3655

Date: August 5, 2021

A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2021-3655
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3655
https://bugzilla.redhat.com/show_bug.cgi?id=1984024
https://nvd.nist.gov/vuln/detail/CVE-2021-3655
https://access.redhat.com/security/cve/CVE-2021-3655
https://www.mend.io/vulnerability-database/CVE-2021-3655

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Missing Initialization of Resource

CWE-909

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): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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