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Ubuntu Security Notice USN-6067-1

Posted May 10, 2023

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6067-1 - David Sinquin discovered that OpenStack Neutron incorrectly handled the default Open vSwitch firewall rules. An attacker could possibly use this issue to impersonate the IPv6 addresses of other systems on the network. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Jake Yip and Justin Mammarella discovered that OpenStack Neutron incorrectly handled the linuxbridge driver when ebtables-nft is being used. An attacker could possibly use this issue to impersonate the hardware address of other systems on the network. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.

tags | advisory

systems | linux, ubuntu

advisories | CVE-2021-20267, CVE-2021-38598, CVE-2021-40085, CVE-2021-40797, CVE-2022-3277

SHA-256 | 836fc58983503cea6accc902e2c2997895b5dfe647bcd965b113040cafacba9e

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