CVE-2024-43861 net: usb: qmi_wwan: fix memory leak for not ip packets
A memory leak in the Linux kernel's qmi_wwan USB driver allows attackers to cause denial of service by sending non-IP packets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43861?
CVE-2024-43861 is a medium-severity denial of service vulnerability in Linux kernel, published on 20 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
net: usb: qmi_wwan: fix memory leak for not ip packets
Free the unused skb when not ip packets arrive.
Weakness: CWE-401
Which versions are affected by CVE-2024-43861?
It affects 1 product.
Linux distribution packages (4)
kgraft-patch-SLE12-SP5_Update_59 SUSE:Linux Enterprise Live Patching 12 SP5 | All versions | 2-8.6.1 |
kernel-livepatch-SLE15-SP2_Update_51 SUSE:Linux Enterprise Live Patching 15 SP2 | All versions | 2-150200.5.6.1 |
kernel-livepatch-SLE15-SP3_Update_47 SUSE:Linux Enterprise Live Patching 15 SP3 | All versions | 2-150300.7.6.1 |
kernel-livepatch-SLE15-SP4_Update_29 SUSE:Linux Enterprise Live Patching 15 SP4 | All versions | 2-150400.9.6.1 |
Products include Linux kernel.
How do I fix CVE-2024-43861?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-43861 being exploited?
There is no known exploitation of CVE-2024-43861 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-48498, BELL-CVE-2024-43861, DEBIAN-CVE-2024-43861, GHSA-2w45-v2hv-rxp2, SUSE-SU-2024:4221-1, SUSE-SU-2024:4237-1 and 3 more.