Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to refresh states and policies during the NETDEVUNREGISTER event. This could lead to ...

CVE-2026-23442

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

CVE-2026-23442

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

SUSE CVE-2025-71182

In the Linux kernel, the following vulnerability has been resolved: can: j1939: make j1939sessionactivate fail if device is no longer registered syzbot is still reporting unregisternetdevice: waiting for vcan0 to become free. Usage count = 2 even after commit 93a27b5891b8 "can: j1939: add missing...

CVE-2026-22997 net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive: deactivate session upon receiving the second rts Since j1939sessiondeactivateactivatenext in j1939tprxtimer is called only when the timer is enabled, we need to call...

kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

ALSA-2025:22865 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: implement NETDEVUNREGISTER notification handler CVE-2025-39925 kernel: net/mlx5: fs, fix UAF in flow counter release CVE-2025-39979 For more details about the security issues,...

CVE-2025-39925 can: j1939: implement NETDEV_UNREGISTER notification handler

In the Linux kernel, the following vulnerability has been resolved: can: j1939: implement NETDEVUNREGISTER notification handler syzbot is reporting unregisternetdevice: waiting for vcan0 to become free. Usage count = 2 problem, for j1939 protocol did not have NETDEVUNREGISTER notification handler...

PT-2025-40099

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel has an issue where the j1939 protocol lacked a NETDEV UNREGISTER notification handler, leading to problems when unregistering network devices. Specifically, the j1939 sk...

Linux Distros Unpatched Vulnerability : CVE-2022-49866

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhi: fix memory leak in mhimbimdellink MHI driver registers network device withou...

kernel: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain

A vulnerability was found in the Linux kernel's netfilter subsystem, related to the nftchainfilter feature. This issue occurs when a NETDEVUNREGISTER event is reported, which can leave a stale reference to a network device in the ingress basechain. If this issue is not addressed, this stale...

DEBIAN-CVE-2022-48807

In the Linux kernel, the following vulnerability has been resolved: ice: Fix KASAN error in LAG NETDEVUNREGISTER handler Currently, the same handler is called for both a NETDEVBONDINGINFO LAG unlink notification as for a NETDEVUNREGISTER call. This is causing a problem though, since the...

UBUNTU-CVE-2022-48807

In the Linux kernel, the following vulnerability has been resolved: ice: Fix KASAN error in LAG NETDEVUNREGISTER handler Currently, the same handler is called for both a NETDEVBONDINGINFO LAG unlink notification as for a NETDEVUNREGISTER call. This is causing a problem though, since the...

SUSE CVE-2022-48720

In the Linux kernel, the following vulnerability has been resolved: net: macsec: Fix offload support for NETDEVUNREGISTER event Current macsec netdev notify handler handles NETDEVUNREGISTER event by releasing relevant SW resources only, this causes resources leak in case of macsec HW offload, as...

DEBIAN-CVE-2022-48720

In the Linux kernel, the following vulnerability has been resolved: net: macsec: Fix offload support for NETDEVUNREGISTER event Current macsec netdev notify handler handles NETDEVUNREGISTER event by releasing relevant SW resources only, this causes resources leak in case of macsec HW offload, as...

UBUNTU-CVE-2024-26808

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftchainfilter: handle NETDEVUNREGISTER for inet/ingress basechain Remove netdevice from inet/ingress basechain in case NETDEVUNREGISTER event is reported, otherwise a stale reference to netdevice remains in the hook...