USN-6739-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service system crash. CVE-2022-20422 Wei Chen discovered that a race condition existed in the TIPC protocol implementation in...

The vulnerability of the ovs_pcap_open() function in the Open vSwitch software-level switch allows a attacker to cause a service failure.

The vulnerability of the ovspcapopen function in the Open vSwitch multi-level switch device is related to memory release errors. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

OESA-2024-1384 openvswitch security update

Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license. Security Fixes: An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new actio...

Fedora: Security Advisory (FEDORA-2024-a4530e9bfe)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 40 Update: openvswitch-3.3.0-1.fc40

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic...

SUSE SLES15: libopenvswitch-2_14-0 / libovn-20_06-0 / openvswitch / etc (SUSE-SU-2024:0922-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0922-1 advisory. - CVE-2023-3966: Fixed invalid memory access in Geneve with HW offload bsc1219465. Tenable has extracted the preceding description block...

USN-6690-1: Open vSwitch vulnerabilities

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...

Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : Open vSwitch vulnerabilities (USN-6690-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6690-1 advisory. Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware...

OESA-2024-1260 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does not validate the stack depth,...

OESA-2024-1258 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does not validate the stack depth,...

OESA-2024-1257 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does not validate the stack depth,...

OESA-2024-1261 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does not validate the stack depth,...

Important: Red Hat Security Advisory: openvswitch3.1 security update

An update for openvswitch3.1 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

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...

openvswitch: openvswitch don't match packets on nd_target field

A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to...

openvswitch: openvswitch don't match packets on nd_target field

A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to...

openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

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...

openvswitch: openvswitch don't match packets on nd_target field

A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to...

openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

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...

RHEL 8 : openvswitch2.17 (RHSA-2024:1234)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1234 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic...