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Debian DSA-5640-1 Critical: Open vSwitch DoS Exploit Fix

debian
Calendar Grey March 14, 2024
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A couple of security flaws in Open vSwitch may result in OpenFlow circumvention or service interruptions. Prompt patching advised.
Two vulnerabilities were discovered in Open vSwitch, a software-based Ethernet virtual switch, which could result in a bypass of OpenFlow rules or denial of service

Summary

Two vulnerabilities were discovered in Open vSwitch, a software-based
Ethernet virtual switch, which could result in a bypass of OpenFlow
rules or denial of service.

For the oldstable distribution (bullseye), these problems have been fixed
in version 2.15.0+ds1-2+deb11u5. This update also adresses a memory leak
tracked as CVE-2024-22563.

For the stable distribution (bookworm), these problems have been fixed in
version 3.1.0-2+deb12u1.

We recommend that you upgrade your openvswitch packages.

For the detailed security status of openvswitch please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/openvswitch

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: openvswitch
CVE ID: CVE-2023-3966 CVE-2023-5366

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