The vulnerability of the vortex_probe1() function in the drivers/net/ethernet/3com/3c59x.c file of the Linux kernel’s network adapter driver allows a hacker to cause a service failure.

The vulnerability of the vortexprobe1 function in the drivers/net/ethernet/3com/3c59x.c file of the Linux kernel’s network adapter driver is related to pointer manipulation. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

CVE-2026-23020 net: 3com: 3c59x: fix possible null dereference in vortex_probe1()

In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortexprobe1 pdev can be null and freering: can be called in 1297 with a null pdev...