CVE-2026-97985

A flaw was found in the Linux kernel. A local user can cause a Denial of Service DoS by triggering an infinite busy-wait loop on the system. When processing local Unix domain sockets AFUNIX containing out-of-band OOB data, the kernel fails to update internal queue markers during certain receive...

CVE-2026-97530

A flaw was found in the Linux kernel's qla2xxx Fibre Channel driver. A remote entity on the Fibre Channel network can cause a Denial of Service DoS by transmitting frames containing specific payload data. The driver misinterprets matching data bytes within received frames as an indicator that...

CVE-2026-77791

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive. Mitigation Red Hat...

AZL-104352 CVE-2026-97985 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: afunix: Update last skb marker in manageoob. Fahad Alharbi reported that blocking recvMSGPEEK could hog CPU due to OOB skb. In the following cases, manageoob skips OOB skbs and returns NULL for the last recvMSGPEEK:...

EUVD-2026-86639

In the Linux kernel, the following vulnerability has been resolved: afunix: Update last skb marker in manageoob. Fahad Alharbi reported that blocking recvMSGPEEK could hog CPU due to OOB skb. In the following cases, manageoob skips OOB skbs and returns NULL for the last recvMSGPEEK:...

CVE-2026-77791 Apache Tomcat: DoS via busy wait during WebSocket close

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

CVE-2026-77791 Apache Tomcat: DoS via busy wait during WebSocket close

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

DEBIAN-CVE-2026-93168

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinxdma: Fix CPU stall in xilinxdmapolltimeout Currently when calling xilinxdmapolltimeout with delayus=0 and a condition that is never fulfilled, the CPU busy-waits for prolonged time and the timeout triggers only...

tomcat: Apache Tomcat: Denial of Service via busy wait during WebSocket close

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive...

tomcat: Apache Tomcat: Denial of Service via busy wait during WebSocket close

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive...

SUSE CVE-2026-80866

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

AZL-99459 CVE-2026-80866 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

CVE-2026-80866 tipc: avoid busy looping in tipc_exit_net()

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

CVE-2026-80866 tipc: avoid busy looping in tipc_exit_net()

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

EUVD-2026-71496

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

CVE-2026-80866

CVE-2026-80866 affects the Linux kernel TIPC subsystem (specifically tipc_exit_net()). A prior commit introduced a busy-wait loop that spins while waiting for pending UDP bearer cleanup work to complete. When cond_resched() is a NOP—common for high-priority tasks or kernels built with CONFIG_PREE...

CVE-2026-80866: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

Linux Distros Unpatched Vulnerability : CVE-2026-80866

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: whil...

CVE-2026-43326

A flaw was found in the Linux kernel, specifically within the schedext component. This vulnerability can lead to a system-wide deadlock, causing a Denial of Service DoS where the system becomes unresponsive. The issue arises when the kernel's scheduling mechanism enters a busy-wait state in a...

CVE-2026-43253

A flaw was found in the Linux kernel's IOMMU Input/Output Memory Management Unit AMD component. When the system operates under a stressed environment with iommu.strict=1 enabled, a busy-wait operation within the waitonsem function can occur while holding a spinlock with interrupts disabled. This...