Live › vulnerability › CVE-2026-99196
Go to dashboardThe au1000 Ethernet driver in the Linux kernel assigns its network operations after attaching the PHY, so probing the device dereferences a NULL pointer when CONFIG_NET_SHAPER is enabled. The result is a kernel crash during driver probe, a denial of service rather than a code execution path described in the sources.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-28 11:32 UTC. All times on this page are UTC.
Only systems running a Linux kernel with the au1000 Ethernet driver and CONFIG_NET_SHAPER enabled can hit the crash at probe time. The sources describe the crash on driver probe, not a remote trigger, and do not say which hardware is affected beyond the au1000 driver.
No product ranges from the sources yet.
grep CONFIG_NET_SHAPER /boot/config-$(uname -r)lsmod | grep au1000Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
In the Linux kernel, the following vulnerability has been resolved:
net: au1000: move setting of netops to fix crash
au1000_probe() calls au1000_mii_probe(), which connects the PHY, before dev->netdev_ops is assigned. phy_attach_direct() -> phy_link_topo_add_phy() reads dev->netdev_ops through netdev_need_ops_lock() since the commit in question, so probing crashes with a NULL pointer dereference when CONFIG_NET_SHAPER is enabled.
Assign netdev_ops before the PHY attach, as was done for emac in commit 7c9f391ec89c ("net: emac: move setting of netops to fix crash").
This page as .md · .json · in your agent: get_signal("CVE-2026-99196")
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