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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.

🗓️ 30 Jul 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

Excessive memory allocation in systemd unit name handling enables crash from attacker path.

Related
Detection
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: There is a vulnerability in the systemd used in IBM Elastic Storage System
21 Dec 202118:21
–ibm
IBM Security Bulletins		Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to several CVEs
19 Oct 202115:38
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities affect IBM Cloud Foundry Migration Runtime
13 Oct 202114:44
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Tenable Nessus		Alibaba Cloud Linux 3 : 0218: systemd (ALINUX3-SA-2022:0218)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : systemd (ALSA-2021:2717)
9 Feb 202200:00
–nessus
Tenable Nessus		CentOS 8 : systemd (CESA-2021:2717)
21 Jul 202100:00
–nessus
Tenable Nessus		Debian DLA-2715-1 : systemd - LTS security update
20 Jul 202100:00
–nessus
Tenable Nessus		Debian DSA-4942-1 : systemd - security update
20 Jul 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP8 : systemd (EulerOS-SA-2021-2487)
24 Sep 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : systemd (EulerOS-SA-2021-2700)
11 Nov 202100:00
–nessus
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30 Jul 2021 07:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 24.9
CVSS 3.15.5
EPSS0.00053
SSVC
systemdunit namememory allocationcrashattackerpathstrdupaalloca
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