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 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

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...

PT-2026-91783

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipc exit net Blamed commit introduced a busy-wait loop in tipc exit net to wait for pending UDP bearer cleanup works to complete: while atomic read&tn-wq count cond resched; This loop can busy-wait fo...

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...

PT-2026-85785

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A busy-wait loop exists in the tipc exit net function used to wait for pending UDP bearer cleanup works to complete. This loop relies on cond resched, which may act as a NOP no operation...

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...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-001416)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-001416 advisory. In the Linux kernel, the following vulnerability has been resolved: pipe: wakeup wrwait after setting maxusage Commit c73be61cede5 pipe: Add general notification que...

SUSE CVE-2026-74749

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

CVE-2026-74749

A flaw was found in the Linux kernel's restartable sequences rseq mechanism. An inconsistency in the handling of lock states during time slice extensions can occur when interrupts are enabled. This can lead to a system livelock or hard lockup, effectively causing a Denial of Service DoS for the...

CVE-2026-74749

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

CVE-2026-74749

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

UBUNTU-CVE-2026-74749

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

CVE-2026-74749

CVE-2026-74749 affects the Linux kernel 's rseq (restricted sequence) subsystem. When __exit_to_user_mode_loop() invokes rseq_grant_timeslice_extension() with interrupts enabled, a granted time slice extension calls hrtimer_rearm_deferred_tif(), which in turn calls __hrtimer_rearm_deferred() — a ...

EUVD-2026-66579

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

CVE-2026-74749 rseq: Prevent hard lockup on granted time slice extension

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

CVE-2026-74749 rseq: Prevent hard lockup on granted time slice extension

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098984 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098759)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098759 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix VM hard lockup after prolonged inactivity with periodic HV timer When advancing the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098808)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098808 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Use TOE/TSO on all TCP It is desireable to push the hardware accelerator ...