the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  What's the CVSS score of your company?
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2021-33910

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
Publish Date : 2021-07-20 Last Update Date : 2021-11-23
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 770

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:2717: systemd security update (Important) oval:com.redhat.rhsa:def:20212717 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-33910

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
4 Application Freedesktop Systemd * * * * Version Details Vulnerabilities
5 Application Netapp Hci Management Node - * * * Version Details Vulnerabilities
6 Application Netapp Solidfire - * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 2
Freedesktop Systemd 1
Netapp Hci Management Node 1
Netapp Solidfire 1

- References For CVE-2021-33910
MLIST [oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list[email protected]/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/
FEDORA FEDORA-2021-2a6ba64260
MLIST [oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list[email protected]/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
FEDORA FEDORA-2021-166e461c8d
MLIST [oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list
GENTOO GLSA-202107-48

- Metasploit Modules Related To CVE-2021-33910

There are not any metasploit modules related to this CVE entry (Please visit for more information)

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.