EUVD-2026-24797

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: check contexts-nr before accessing contextsarr0 Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs while DAMON is...

CVE-2026-31457 mm/damon/sysfs: check contexts->nr in repeat_call_fn

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: check contexts-nr in repeatcallfn damonsysfsrepeatcallfn calls damonsysfsupdtunedintervals, damonsysfsupdschemesstats, and damonsysfsupdschemeseffectivequotas without checking contexts-nr. If nrcontexts is set to ...

CVE-2026-31457

The CVE-2026-31457 entry describes a Linux kernel vulnerability in DAMON (mm/damon/sysfs) where damon_sysfs_repeat_call_fn() dereferences contexts_arr[0] when nr_contexts is set to 0 via sysfs, due to a missing check on contexts->nr. This can occur while DAMON is running and cause a NULL point...

CVE-2026-31458 mm/damon/sysfs: check contexts->nr before accessing contexts_arr[0]

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: check contexts-nr before accessing contextsarr0 Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs while DAMON is...

PT-2026-34362

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: check contexts-nr in repeat call fn damon sysfs repeat call fn calls damon sysfs upd tuned intervals, damon sysfs upd schemes stats, and damon sysfs upd schemes effective quotas without checking contexts-nr. If nr...