CVE-2024-40923
kernel: vmxnet3: disable rx data ring on dma allocation failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 12, 2024
Updated · August 5, 2026
Description
A vulnerability was found in the Linux kernel's vmxnet3 driver in the vmxnet3_rq_create() function, where this issue occurs when memory allocation fails for the RX data ring, leading to an improper reference size that may cause the hypervisor to access invalid memory during packet reception, which can result in kernel crashes.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')