CVE-2024-46797

An improper locking flaw was found in the PowerPC architecture implementation of the Linux Kernel's queued spinlocks in the queuedspinlockslowpath function. This issue occurs due to the interaction between CPU interrupts and the queued spinlock mechanism. When an interrupt occurs at a critical...

CVE-2024-46797 powerpc/qspinlock: Fix deadlock in MCS queue

In the Linux kernel, the following vulnerability has been resolved: powerpc/qspinlock: Fix deadlock in MCS queue If an interrupt occurs in queuedspinlockslowpath after we increment qnodesp-count and before node-lock is initialized, another CPU might see stale lock values in gettailqnode. If the...