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CVE-2023-52574 is a NULL pointer dereference in the Linux kernel team networking driver. When a VLAN device is enslaved to a team device and the team device transitions from a non-Ethernet type to Ethernet, the driver can incorrectly assign VLAN header operations to the team device. Subsequent packet processing can invoke VLAN header handling against the team device, which is not a VLAN device, causing a NULL pointer dereference. The upstream fix caches Ethernet header operations during team-device setup and restores those operations, rather than VLAN header operations, when the device type changes.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel team network-device NULL pointer dereference vulnerability.
Linux kernel team driver null-pointer dereference when changing a team device type.
Linux kernel team network driver NULL-pointer dereference vulnerability.
Linux kernel team network-device NULL-pointer dereference vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.