CVE-2026-23159

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2026-23159

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2025-71180 counter: interrupt-cnt: Drop IRQF_NO_THREAD flag

In the Linux kernel, the following vulnerability has been resolved: counter: interrupt-cnt: Drop IRQFNOTHREAD flag An IRQ handler can either be IRQFNOTHREAD or acquire spinlockt, as CONFIGPROVERAWLOCKNESTING warns: ============================= BUG: Invalid wait context 6.18.0-rc1+git... 1...

UBUNTU-CVE-2025-38170

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Discard stale CPU state when handling SME traps The logic for handling SME traps manipulates saved FPSIMD/SVE/SME state incorrectly, and a race with preemption can result in a task having TIFSME set and...