CVE-2025-39733

In the Linux kernel, the following vulnerability has been resolved: team: replace team lock with rtnl lock syszbot reports various ordering issues for lower instance locks and team lock. Switch to using rtnl lock for protecting team device, similar to bonding. Based on the patch by Tetsuo Handa...

net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF.

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SUSE CVE-2025-38114

In the Linux kernel, the following vulnerability has been resolved: e1000: Move cancelworksync to avoid deadlock Previously, e1000down called cancelworksync for the e1000 reset task via e1000downandstop, which takes RTNL. As reported by users and syzbot, a deadlock is possible in the following...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Converting the blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding/removing...

UBUNTU-CVE-2025-21986

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Convert blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding / removing...

SUSE CVE-2025-21763

In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in neighnotify neighnotify can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF...

DEBIAN-CVE-2025-21758

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: add RCU protection to mldnewpack mldnewpack can be called without RTNL or RCU being held. Note that we no longer can use sockallocsendskb because ipv6.igmpsk uses GFPKERNEL allocations which can sleep. Instead use...

UBUNTU-CVE-2025-21762

In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arpxmit arpxmit can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not holding an rtnl lock in the suspend/resume path, which could lead to a conflict...

SUSE CVE-2024-46766

In the Linux kernel, the following vulnerability has been resolved: ice: move netifqueuesetnapi to rtnl-protected sections Currently, netifqueuesetnapi is called from icevsirebuild that is not rtnl-locked when called from the reset. This creates the need to take the rtnllock just for a single...

UBUNTU-CVE-2024-46766

In the Linux kernel, the following vulnerability has been resolved: ice: move netifqueuesetnapi to rtnl-protected sections Currently, netifqueuesetnapi is called from icevsirebuild that is not rtnl-locked when called from the reset. This creates the need to take the rtnllock just for a single...

kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()

A vulnerability was found in the Linux kernel's networking subsystem in the actapi implementation within the tcfidrcheckalloc function, which lead to a possible infinite loop when multiple actions with the same index are added, causing the second request to block indefinitely while holding the...

DEBIAN-CVE-2022-48810

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip6mrfreetable on failure path ip6mrfreetable can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367...

UBUNTU-CVE-2022-48810

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip6mrfreetable on failure path ip6mrfreetable can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367...

UBUNTU-CVE-2021-47517

In the Linux kernel, the following vulnerability has been resolved: ethtool: do not perform operations on net devices being unregistered There is a short period between a net device starts to be unregistered and when it is actually gone. In that time frame ethtool operations could still be...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the presence of RTNL-related deadlocks during module removal...

kernel: net/mlx5e: Take RTNL lock when needed before calling xdp_set_features()

A locking flaw in the Mellanox mlx5 Ethernet driver allowed calls to xdpsetfeatures without holding the required rtnetlink RTNL lock. A local administrator switching device profiles for example, from an uplink representor to a Network Interface Card profile could trigger notifier paths without...