CVE-2026-74726

A flaw was found in the Linux kernel's bonding module, specifically within the Active-Backup Load Balancing ALB monitor. This vulnerability arises from a race condition where the system makes decisions based on outdated network interface status. This can lead to a system crash, causing a Denial o...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: bonding: Fix for use-after-free after 802.3ad slave unbind Commit 0622cab0341c “bonding: fix 802.3ad aggregator reselection” resolves a issue where, when there are several aggregation groups within the same bond,...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Networks: Fixed a stack overflow issue when LRO is disabled for virtual interfaces. When the features of a virtual interface are updated, the updated features are synchronized with its underlying interfaces. This synchronization...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: When a non-Ethernet device is used as a slave in a bonding configuration, the IFFSLAVE flag of the bonding device must be restored if the slave device fails. A warning was reported by syzbot1. In this case, the bonding device...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Bonding: The device was stopped during the bondsetupbyslave function. The commit 9eed321cde22 “net: lapbether: only supports Ethernet devices” allowed syzbot to remain away from net/lapb until today. In the following issue 1, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed handling of incorrect devices during the bond netevent processing. The current implementation of the bond netevent handler only checks whether the handled netdev is a VF representative. However, there is no...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: llc: Makes llcuisendmsg more robust against changes to bonding. syzbot was able to exploit llcuisendmsg, allocating a skb without sufficient headroom, and then attempting to append 14 bytes of Ethernet header information. Like...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fix for xfrm realdev null pointer dereference We should not set realdev to NULL, because packets may still be in transit, and xfrm might call xdodevoffloadok in parallel. All callbacks assume that realdev is set. Example...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bonding: Limit BONDMODE8023AD to Ethernet devices. BONDMODE8023AD is meaningful only for ARPHRDETHER. syzbot reported: BUG: KASAN: Global-out-of-bounds in hwaddrcreate net/core/devaddrlists.c:63 inline BUG: KASAN:...

SUSE CVE-2026-74726

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

CVE-2026-74726

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

AZL-97266 CVE-2026-74726 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

CVE-2026-74726

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

UBUNTU-CVE-2026-74726

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

CVE-2026-74726 bonding: alb: re-check primary_is_promisc under RTNL in bond_alb_monitor

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

EUVD-2026-64413

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

CVE-2026-74726 bonding: alb: re-check primary_is_promisc under RTNL in bond_alb_monitor

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via rtnltrylock before undoing the promiscuity it set on the active slave. In tha...

CVE-2026-74726

A race condition in the Linux kernel's bonding module affects the Active-Backup Load Balancing (ALB) monitor (bond_alb_monitor() in drivers/net/bonding/bond_alb.c). The function reads primary_is_promisc under RCU, then drops RCU and acquires RTNL via rtnl_trylock(). In that window, the active sla...

Linux Distros Unpatched Vulnerability : CVE-2026-74726

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bonding: alb: re-check primaryispromisc under RTNL in bondalbmonitor bondalbmonitor reads primaryispromisc under RCU, then drops RCU and takes RTNL via...

PT-2026-79731

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: re-check primary is promisc under RTNL in bond alb monitor bond alb monitor reads primary is promisc under RCU, then drops RCU and takes RTNL via rtnl trylock before undoing the promiscuity it set on the active slav...