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CVE-2023-1668

Status Candidate

Overview

A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the datapath flow without the action modifying the IP header. This issue results (for both kernel and userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a != 0 IP protocol that matches this dp flow.

Related Files

Gentoo Linux Security Advisory 202311-16
Posted Nov 27, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202311-16 - Multiple denial of service vulnerabilities have been found in Open vSwitch. Versions greater than or equal to 2.17.6 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-27827, CVE-2020-35498, CVE-2021-36980, CVE-2021-3905, CVE-2022-4337, CVE-2022-4338, CVE-2023-1668
SHA-256 | 0bda202461e33ccd269260bad11d7bbc0f0c9faa18de574dd6cb69744849efcc
Red Hat Security Advisory 2023-3491-01
Posted Jun 7, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-3491-01 - An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-3564, CVE-2022-38023, CVE-2022-41222, CVE-2022-4378, CVE-2023-0461, CVE-2023-1668
SHA-256 | 31d70addc56bca5825603d5bf8f8997c0d2d33c37f78de6bcf050fa923352de4
Ubuntu Security Notice USN-6068-1
Posted May 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6068-1 - David Marchand discovered that Open vSwitch incorrectly handled IP packets with the protocol set to 0. A remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, denial of service, protocol
systems | linux, ubuntu
advisories | CVE-2023-1668
SHA-256 | 45e945b26172b4cd3f49accd7dfd8444de8ec69ca29ddf1c06dec32da51ffe2b
Red Hat Security Advisory 2023-1824-01
Posted Apr 26, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1824-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | a80899301107f4bb9e2de64892ee87c5937e54baef5a7907bc2b9014875d35da
Red Hat Security Advisory 2023-1823-01
Posted Apr 18, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1823-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | e8f44fb74ddd743b498dc4da96280d03329e94dfb3b869f04aa7e6b2edb4a7d3
Debian Security Advisory 5387-1
Posted Apr 14, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5387-1 - David Marchard discovered that Open vSwitch, a software-based Ethernet virtual switch, is susceptible to denial of service via malformed IP packets.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2023-1668
SHA-256 | 82a5b3a701e6d9d96e91e26773ef14cfb1515c5e42ade293fed2ce433bd1f0c0
Red Hat Security Advisory 2023-1765-01
Posted Apr 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1765-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | fc61e48bdb26889f4e2b3820b9de4964979b5ef34c1240e5d19f1440daded11e
Red Hat Security Advisory 2023-1769-01
Posted Apr 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1769-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | 22371f61a51548fb2aa802254e6e4ce7faf3436beca9954781e3ce526b56eab4
Red Hat Security Advisory 2023-1766-01
Posted Apr 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1766-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | 659125c2fea41cd6a3a1cdd38c7dbefbdf01473fa3802e635bc5bb3f970ba201
Red Hat Security Advisory 2023-1770-01
Posted Apr 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1770-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2023-1668
SHA-256 | 6c1384baf9f99d3749c22a7462b7390ad645572e6acb95ad19b7426e71172869
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