In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perfcgroupswitch() There's list corruption on cgrpcpuctxlist. This happens on the following path: perfcgroupswitch: listforeachentry(cgrpcpuctxlist) cpuctxschedin ctxschedin ctxpinnedschedin mergeschedin perfcgroupeventdisable: remove the event from the list Use listforeachentrysafe() to allow removing an entry during iteration.