CVE-2024-46854 net: dpaa: Pad packets to ETH_ZLEN
An attacker can read up to three bytes of kernel memory by sending small network packets, potentially exposing sensitive data.
- 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-2024-46854?
CVE-2024-46854 is a high-severity vulnerability in Linux kernel, published on 27 Sep 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: dpaa: Pad packets to ETH_ZLEN
When sending packets under 60 bytes, up to three bytes of the buffer following the data may be leaked. Avoid this by extending all packets to ETH_ZLEN, ensuring nothing is leaked in the padding. This bug can be reproduced by running
$ ping -s 11 destination
Which versions are affected by CVE-2024-46854?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46854?
Apply the vendor's patch.
Is CVE-2024-46854 being exploited?
There is no known exploitation of CVE-2024-46854 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-49927, AZL-49994, BELL-CVE-2024-46854, DEBIAN-CVE-2024-46854, GHSA-2r8q-2j9h-3chh, UBUNTU-CVE-2024-46854.