Threats Tagged 'cve-2026-64374'
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Threats Tagged 'cve-2026-64374'
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In the Linux kernel, the following vulnerability has been resolved: sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT RT migration is… (CVE-2026-64374)CVE-2026-64374 0 A vulnerability in the Linux kernel scheduler related to real-time (RT) task migration has been resolved. The issue involves the RT_PUSH_IPI mechanism, which was designed to reduce latency in PREEMPT_RT configurations but caused live lock conditions in non-PREEMPT_RT systems under heavy networking load. This live lock occurs when softirqs and RT task scheduling interact, causing excessive inter-processor interrupts (IPIs) and preventing CPUs from scheduling tasks properly. The fix makes RT_PUSH_IPI default off for non-PREEMPT_RT kernels to avoid this problem. Join the discussion | GCVE Database | 07/25/2026, 12:31:33 UTC Added: 07/25/2026, 23:08:59 UTC |
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