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CVE-2024-46799

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX If number of TX queues are set to 1 we get a NULL pointer derefere…

Published Sep 18, 2024CWE-476EPSS 0.44%

Overview

CVE-2024-46799 is a high-severity vulnerability. It was published on September 18, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX

If number of TX queues are set to 1 we get a NULL pointer

dereference during XDP_TX.

~# ethtool -L eth0 tx 1

~# ./xdp-trafficgen udp -A <ipv6-src> -a <ipv6-dst> eth0 -t 2

Transmitting on eth0 (ifindex 2)

[ 241.135257] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000030

Fix this by using actual TX queues instead of max TX queues

when picking the TX channel in am65_cpsw_ndo_xdp_xmit().

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0a50c35277f96481a5a6ed5faf347f282040c57dRefgit.kernel.org/stable/c/2e7189d2b1de51fc2567676cd4f96c0fe0960b9f

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46799?

CVE-2024-46799 is a high-severity vulnerability. It was published on September 18, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-46799?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-46799?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-46799?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46799 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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