Threats tagged 'ghsa-5c3f-mcw3-6q2w'

CVE-2026-43214 is a high-severity vulnerability in the Linux kernel's KVM x86 virtualization component. It involves missing SRCU (Sleepable Read-Copy Update) protection when reading Page Directory Pointer Table Registers (PDPTRs) in the __get_sregs2() function. This can trigger unsafe access to guest memory, causing lock dependency warnings and potential concurrency issues. The flaw was identified by the Linux Verification Center using Syzkaller.