CVE-2026-31457

A flaw was found in the Linux kernel. A local user can exploit this vulnerability by setting the nrcontexts parameter to zero via the DAMON sysfs interface while DAMON Data Access MONitor is active. This improper input validation leads to a NULL pointer dereference, which can cause a system crash...

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-2026-31458

Technical details (affected product, vulnerable component, and remediation) are not provided in the connected documents. Monitor for updates.