Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mlxbfgige: Call requestirq after NAPI initialization The mlxbfgige driver encounters a NULL pointer exception in mlxbfgigeopen when kdump is enabled. The sequence to reproduce this exception is as follows: a Enable kdump. b Trigg...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.10. In the drivers/net/ethernet/freescale/gianfar.c file of the Freescale Gianfar Ethernet driver, it was found that a negative fragment size can be calculated in situations where an rx queue overrun occurs when jumbo packets are use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fixed a race condition related to the per-CQ variable napiworkdone. After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, allowing another CPU to start a napi thread and access the per-CQ variable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed a preempt count leak in the napi poll tracepoint. Using getcpu in the tracepoint assignment causes an obvious preempt count leak, because nothing invokes putcpu to undo it. softirq: Huh, entered softirq 3 for NETRX...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rtw89: Fixed a potential race condition between napiinit and napienable. A race condition can occur if netdev is registered, but NAPI is not initialized yet. Meanwhile, the user space starts the netdev that will enable...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fixed potential use-after-free in hisifemacrx The skb object is passed to napigroreceive, which may free it. After calling this function, dereferencing the skb object may trigger a use-after-free...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: veth: The GRO flag is cleared when XDP is disabled, even when the device is disabled. The NETIFFGRO flag is set automatically when XDP is enabled, because both features use the same NAPI mechanism. The logic for clearing the...

SUSE CVE-2026-43479

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fix WARN in netifnapidellocked on disconnect Remove redundant netifnapidel call from disconnect path. A WARN may be triggered in netifnapidellocked during USB device disconnect: WARNING: CPU: 0 PID: 11 at...

EUVD-2026-30015

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fix WARN in netifnapidellocked on disconnect Remove redundant netifnapidel call from disconnect path. A WARN may be triggered in netifnapidellocked during USB device disconnect: WARNING: CPU: 0 PID: 11 at...

CVE-2026-43479 net: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fix WARN in netifnapidellocked on disconnect Remove redundant netifnapidel call from disconnect path. A WARN may be triggered in netifnapidellocked during USB device disconnect: WARNING: CPU: 0 PID: 11 at...

PT-2026-40686

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the lan78xx USB driver where a warning may be triggered in the netif napi del locked function during a USB device disconnect. This occurs because the netif napi del...

SUSE CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

CVE-2026-43385

A flaw was found in the Linux kernel where a race condition in the rcutasks grace period handling within the napithreadedpollloop function can lead to a stall. This issue occurs when threaded busypoll is enabled and specific network operations are performed. A local user or a specific workload...

CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

UBUNTU-CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

CVE-2026-43385

The CVE-2026-43385 entries describe a race condition in the Linux kernel’s rcu_tasks grace-period handling inside napi_threaded_poll_loop when threaded busypoll is enabled. The issue can cause a stall/hang (DoS-like impact) as rcu_softirq_qs_periodic last_qs could be reset incorrectly, preventing...

CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

CVE-2026-43385 net: Fix rcu_tasks stall in threaded busypoll

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

PT-2026-39046

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the threaded busypoll implementation where a stall occurs in rcu tasks. This happens because the main loop resides in napi threaded poll instead of napi threaded poll...

EUVD-2026-27755

In the Linux kernel, the following vulnerability has been resolved: net: consume xmit errors of GSO frames udpgrofrglist.sh and udpgrobench.sh are the flakiest tests currently in NIPA. They fail in the same exact way, TCP GRO test stalls occasionally and the test gets killed after 10min. These...