Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.3365
neutron security update
12 October 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: neutron
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Denial of Service -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40085
Reference: ESB-2021.3358
Original Bulletin:
http://www.debian.org/lts/security/2021/dla-2781
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Debian LTS Advisory DLA-2781-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Chris Lamb
October 11, 2021 https://wiki.debian.org/LTS
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Package : neutron
Version : 2:9.1.1-3+deb9u2
CVE ID : CVE-2021-40085
Debian Bug : #993398
It was discovered that there was an issue where authenticated
attackers could have reconfigured dnsmasq via a crafted
extra_dhcp_opts value within OpenStack's Neutron virtual network
service.
For Debian 9 "Stretch", this problem has been fixed in version
2:9.1.1-3+deb9u2.
We recommend that you upgrade your neutron packages.
For the detailed security status of neutron please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/neutron
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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