CVE-2024-50168 net/sun3_82586: fix potential memory leak in sun3_82586_send_packet()

Medium 5.5 Published Updated

A memory leak in the sun3_82586 network driver allows attackers to cause a denial of service by sending oversized 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-2024-50168?

CVE-2024-50168 is a medium-severity denial of service vulnerability in Linux kernel, published on 7 Nov 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/sun3_82586: fix potential memory leak in sun3_82586_send_packet()

The sun3_82586_send_packet() returns NETDEV_TX_OK without freeing skb in case of skb->len being too long, add dev_kfree_skb() to fix it.

Weakness: CWE-401

Which versions are affected by CVE-2024-50168?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-50168?

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-2024-50168 being exploited?

There is no known exploitation of CVE-2024-50168 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-52923, AZL-52951, BELL-CVE-2024-50168, DEBIAN-CVE-2024-50168, GHSA-pfv7-6gr3-pf99, ROOT-OS-DEBIAN-11-CVE-2024-50168 and 1 more.

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