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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-5366 |
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 arbitrary IP addresses. Published: October 06, 2023; 2:15:12 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2022-4338 |
An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch. Published: January 10, 2023; 5:15:14 PM -0500 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2022-4337 |
An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch. Published: January 10, 2023; 5:15:13 PM -0500 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2019-25076 |
The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack. Published: September 08, 2022; 7:15:10 PM -0400 |
V4.0:(not available) V3.1: 5.8 MEDIUM V2.0:(not available) |
CVE-2021-3905 |
A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments. Published: August 23, 2022; 12:15:10 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2020-27827 |
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability. Published: March 18, 2021; 1:15:13 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 7.1 HIGH |
CVE-2020-35498 |
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability. Published: February 11, 2021; 1:15:15 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 7.8 HIGH |
CVE-2017-14970 |
In lib/ofp-util.c in Open vSwitch (OvS) before 2.8.1, there are multiple memory leaks while parsing malformed OpenFlow group mod messages. NOTE: the vendor disputes the relevance of this report, stating "it can only be triggered by an OpenFlow controller, but OpenFlow controllers have much more direct and powerful ways to force Open vSwitch to allocate memory, such as by inserting flows into the flow table." Published: October 01, 2017; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 5.9 MEDIUM V2.0: 4.3 MEDIUM |