CVE-2023-54268 debugobjects: Don't wake up kswapd from fill_pool()

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

CVE-2025-39843

CVE-2025-39843 affects the Linux kernel mm/slub path. The vulnerability arises when set_track_prepare() can incur lock recursion due to waking up kswapd while holding per_cpu(hrtimer_bases)[n].lock (triggered via hrtimer_start_range_ns) under CONFIG_DEBUG_OBJECTS_TIMERS. The fix involves masking ...