#VU86620 Memory leak in Open vSwitch - CVE-2024-22563

Vulnerability identifier: #VU86620

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-22563

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Open vSwitch
Hardware solutions / Firmware

Vendor: openvswitch.org

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the ovs_pcap_open() function in lib/pcap-file.c. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Open vSwitch: 2.1.0 - 2.16.0, 2.2, 2.3.0 - 2.3.2, 2.4 - 2.4.1, 2.5.0 - 2.5.12, 2.6.0 - 2.6.10, 2.7.0 - 2.7.13, 2.8.0 - 2.8.11, 2.9.0 - 2.9.9

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External links
https://github.com/openvswitch/ovs-issues/issues/315
https://github.com/openvswitch/ovs/commit/3168f328c78cf6e4b3022940452673b0e49f7620

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.