Fast Datapath for Red Hat Enterprise Linux 8 update for ovn-2021

1) Input validation error

EUVDB-ID: #VU87512

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-2182

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling BFD packets from inside unprivileged workloads. A remote user with access to a virtual machine or a container can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Fast Datapath (for RHEL for ARM 64): 8

Red Hat Enterprise Linux Fast Datapath (for IBM z Systems): 8

Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE): 8

Red Hat Enterprise Linux Fast Datapath: 8

ovn-2021 (Red Hat package): before 21.12.0-142.el8fdp

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_fast_datapath_for_rhel_for_arm_64:8:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_fast_datapath_for_ibm_z_systems:8:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_fast_datapath_for_rhel_server_for_ibm_power_le:8:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_enterprise_linux_fast_datapath:8:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:ovn-2021_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2024:4035

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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