CVE-2024-46799

MediumCVSS 5.5/10Last modified Aug 4, 2026

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().

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 8acacc40f7337527ff84cd901ed2ef0a2b95b2b6, < 2e7189d2b1de51fc2567676cd4f96c0fe0960b9f; >= 8acacc40f7337527ff84cd901ed2ef0a2b95b2b6, < 0a50c35277f96481a5a6ed5faf347f282040c57d
LinuxLinux6.10

References

Timeline

Published
Sep 18, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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CVE-2024-46799: Medium severity, CVSS 5.5 | Vulnix