CVE-2026-23209

CVE-2026-23209 is a Linux kernel macvlan bug. The issue occurs in macvlan when creating a new link with MACVLAN_MODE_SOURCE and MACVLAN_MACADDR_ADD/SET and the lower device already has a macvlan port, causing a use-after-free after a failed register_netdevice() in the create path. Upstream kernel...

CVE-2026-23209

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...

CVE-2022-50290

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2022-50290

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix memory leak in ieee80211ifadd When registernetdevice failed in ieee80211ifadd, ndev-tstats isn't released. Fix it...

kernel: tun: avoid double free in tun_free_netdev

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the registernetdevice function fails NETDEVREGISTER notifier. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: avoid double free in tun_free_netdev

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the registernetdevice function fails NETDEVREGISTER notifier. This flaw allows a local user to crash or potentially escalate their privileges on the system...