SUSE CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2444)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : crypto: algifaead - Revert to operating out-of-placeCVE-2026-31431 bpf: Fix undefined behavior in interpreter sdiv/smod for INTMINCVE-2026-31525...

EUVD-2026-39856

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53321

CVE-2026-53321 : In the Linux kernel, the io_uring/napi path was missing a cap on the maximum polling time when no events are found. The issue arises from napi potentially polling for longer than reasonable times, leading to task stagnation without conditional rescheduling. A fix caps the total b...

PT-2026-52960

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the io uring/napi component where there is no limit on the maximum time napi can poll when no events are found. This lack of a cap can lead to kernel complaints...

CVE-2026-53235

In the Linux kernel, the following vulnerability has been resolved: net: add pskbmaypull to skbgroreceivelist skbgroreceivelist calls skbpullskb, skbgrooffsetskb without first ensuring the data is in the linear area via pskbmaypull. When the skb arrives via napigrofrags, skbheadlen can be 0 all...

EUVD-2026-39326

In the Linux kernel, the following vulnerability has been resolved: net: add pskbmaypull to skbgroreceivelist skbgroreceivelist calls skbpullskb, skbgrooffsetskb without first ensuring the data is in the linear area via pskbmaypull. When the skb arrives via napigrofrags, skbheadlen can be 0 all...

EUVD-2026-38813

In the Linux kernel, the following vulnerability has been resolved: Revert "wireguard: device: enable threaded NAPI" This reverts commit 933466fc50a8e4eb167acbd0d8ec96a078462e9c which is commit db9ae3b6b43c79b1ba87eea849fd65efa05b4b2e upstream. We have had three independent production user report...

CVE-2026-52945 Revert "wireguard: device: enable threaded NAPI"

In the Linux kernel, the following vulnerability has been resolved: Revert "wireguard: device: enable threaded NAPI" This reverts commit 933466fc50a8e4eb167acbd0d8ec96a078462e9c which is commit db9ae3b6b43c79b1ba87eea849fd65efa05b4b2e upstream. We have had three independent production user report...

CVE-2026-52945

The CVE-2026-52945 entry describes a Linux kernel vulnerability in the WireGuard component where enabling threaded NAPI can cause the decryption path for a WireGuard peer to stall under heavy network load (notably with Cilium), effectively causing a DoS for that peer while other peers remain func...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: Fixed rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enabled threaded busypoll, bpftrace hung during startup. The output from dmesg was as follows: rcutaskswaitgp: rcutasks grace...

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...

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 vulnerability has been resolved: Net: Ethernet: ti: am65-cpsw: Fixed the NAPI registration sequence. Registering interrupts for TX or RX DMA channels before registering their respective NAPI callbacks can lead to a NULL pointer dereferencing. This issue occurs...

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

In the Linux kernel, the following vulnerability has been resolved: net: let netcore.devweight always be non-zero The following problem was encountered during stability testing: NULL netdevice: The NAPI poll function processbacklog+0x0/0x530 returned 1, exceeding its budget of 0. ------------ Cut...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: igbvf: fixed a double-free in igbvfprobe. In igbvfprobe, if registernetdev fails, the program will proceed to label errhwinit, and then to label errioremap. In freenetdev, which occurs just below label errioremap, there are...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gve: Defer the enabling of interrupts until NAPI registration. Currently, interrupts are automatically enabled immediately upon request. This allows interrupts to occur before the associated NAPI context is fully initialized,...

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

In the Linux kernel, the following vulnerability has been resolved: ionic: fix use after netifnapidel When queues are started, netifnapiadd and napienable are called. If there are 4 queues and only 3 queues are used for the current configuration, only 3 queues’ napi should be registered and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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...