Advisory Published
Updated

REDHAT-BUG-2327955

First published: Fri Nov 22 2024(Updated: )

From DPDK v21.05, DPDK Vhost library checksum offload feature introduced a security vulnerability enabling an untrusted or compromised guest to crash hypervisor's vSwitch by forging Virtio descriptors to cause out-of-bounds reads. Affected versions are only vulnerable if the Vhost-based application registers devices with the RTE_VHOST_USER_NET_COMPLIANT_OL_FLAGS flag.

Affected SoftwareAffected VersionHow to fix
DPDK (Data Plane Development Kit)>=21.05

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of REDHAT-BUG-2327955?

    The severity of REDHAT-BUG-2327955 is critical due to the potential for untrusted guests to crash the hypervisor's vSwitch.

  • How do I fix REDHAT-BUG-2327955?

    To fix REDHAT-BUG-2327955, it is recommended to upgrade to a patched version of DPDK that addresses this vulnerability.

  • Which versions are affected by REDHAT-BUG-2327955?

    DPDK versions starting from 21.05 are affected by REDHAT-BUG-2327955 if used with Vhost-based applications.

  • What is the impact of exploiting REDHAT-BUG-2327955?

    Exploiting REDHAT-BUG-2327955 could result in out-of-bounds reads that crash the hypervisor's vSwitch, affecting availability.

  • Is there a workaround for REDHAT-BUG-2327955?

    Currently, the most effective workaround for REDHAT-BUG-2327955 is to avoid using vulnerable Vhost-based applications until an upgrade is completed.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203