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CVE-2023-3966

Status Candidate

Overview

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.

Related Files

Debian Security Advisory 5640-1
Posted Mar 15, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5640-1 - 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.

tags | advisory, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2023-3966, CVE-2023-5366
SHA-256 | ee33fda52165e0797d00ba28edf1c0746142b6af8db3080011d86af844a64baa
Ubuntu Security Notice USN-6690-1
Posted Mar 12, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6690-1 - Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware offloading via the netlink path is enabled. A remote attacker could possibly use this issue to cause Open vSwitch to crash, leading to a denial of service. It was discovered that Open vSwitch incorrectly handled certain ICMPv6 Neighbor Advertisement packets. A remote attacker could possibly use this issue to redirect traffic to arbitrary IP addresses.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-3966, CVE-2023-5366
SHA-256 | c48aa2b70b96e75c736131cbd6e784fb35739c48c114c1dc28b66d826cb192ed
Red Hat Security Advisory 2024-1235-03
Posted Mar 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1235-03 - An update for openvswitch3.1 is now available for Fast Datapath for Red Hat Enterprise Linux 8.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-3966
SHA-256 | 3a7d4c98a0127c0006d540357ca2c8dbd57d6abb5086510533710f76d1ea9da0
Red Hat Security Advisory 2024-1234-03
Posted Mar 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1234-03 - An update for openvswitch2.17 is now available for Fast Datapath for Red Hat Enterprise Linux 8.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-3966
SHA-256 | 7645437b1115fd238207ee6c5e07bc9a5e63d0b31a2f6718ca09a1a3f7501c0f
Red Hat Security Advisory 2024-1227-03
Posted Mar 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1227-03 - An update for openvswitch3.1 is now available for Fast Datapath for Red Hat Enterprise Linux 9.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-3966
SHA-256 | 6444944f9285c8ba227770722e6dc582aa0f0b4cb7a8578953955a3e197941ca
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