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CVE-2021-20286

Good to know:

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Date: March 15, 2021

A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.

Language: C

Severity Score

Related Resources (5)

https://gitlab.com/nbdkit/libnbd/-/commit/fb4440de9cc76e9c14bd3ddf3333e78621f40ad0
https://bugzilla.redhat.com/show_bug.cgi?id=1934727
https://security-tracker.debian.org/tracker/CVE-2021-20286
https://nvd.nist.gov/vuln/detail/CVE-2021-20286
https://www.mend.io/vulnerability-database/CVE-2021-20286

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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CVSS v3.1

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

CVSS v2

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

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