PT-2026-98541

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the lowpan newlink function. This occurs because TUNSETLINK allows a TUN device to change its link-layer type to ARPHRD IEEE802154 without initializi...

DEBIAN-CVE-2025-39874

In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...

CVE-2025-39874

CVE-2025-39874 - Linux kernel macsec feature synchronization race : The issue occurs in macsec feature updates where lower (real) and upper device feature states can become out of sync during ETHTOOL_SFEATURES handling, potentially causing a lock in the lower device while updating features. The r...

CVE-2025-39874 macsec: sync features on RTM_NEWLINK

In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...

CVE-2025-39874 macsec: sync features on RTM_NEWLINK

In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...