SB2022111572 - Red Hat Enterprise Linux 9 update for dpdk
Published: November 15, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2021-3839)
The vulnerability allows a local user to execute arbitrary code with elevated privileges.
The vulnerability exists due to vhost_user_set_inflight_fd() function does not validate msg->payload.inflight.num_queues. A local user can trigger out-of-bounds write and execute arbitrary code with elevated privileges.
2) Resource management error (CVE-ID: CVE-2022-2132)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the copy_desc_to_mbuf() function when processing Vhost header. A remote guest can send a packet with the Vhost header crossing more than two descriptors and force application to allocate all available mbufs, causing a denial of service condition for the other guest running on the hypervisor.
3) Error Handling (CVE-ID: CVE-2022-28199)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect error handling of data within the mlx5 driver. A remote guest can send specially crafted packets to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.