EUVD-2026-15363

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

PT-2026-27739

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.0-rc1lblk+ 84 Description The Linux kernel's blktrace component contains an issue where this cpu read and this cpu write are used in a preemptible context. Specifically, tracing record cmdline utilizes these...

CVE-2025-38522

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the runqueue rq pointer is NULL in the SCXCALLOP and SCXCALLOPRET macros. Previously, calling updatelockedrqNULL with preemption enabled coul...

CVE-2025-38522

CVE-2025-38522 fixes a Linux kernel issue in sched/ext where update_locked_rq() could be called with a NULL runqueue (rq). The patch ensures update_locked_rq() is invoked only when rq is non-NULL, preventing unsafe __this_cpu_write() usage in preemptible contexts. The vulnerability description no...

Xxe

The cpuphysicalmemorywriterominternal function in exec.c in QEMU aka Quick Emulator does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service guest crash via unspecified vectors...