CVE-2024-43861
kernel: net: usb: qmi_wwan: fix memory leak for not ip packets
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 20, 2024
Updated · October 2, 2026
Description
A flaw was found in the Linux kernel's qmi_wwan USB network driver. When non-IP network packets are processed, the driver fails to properly release unused network packet buffers, resulting in a memory leak. An attacker could exploit this vulnerability by transmitting non-IP packets to the system, potentially exhausting available kernel memory and causing a denial of service (DoS).
Statement
Following issue marked as moderate with "not affected or will not fix" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-402 · Transmission of Private Resources into a New Sphere ('Resource Leak')