CVE-2026-64458
kernel: mm/damon/ops-common: handle extreme intervals in damon_hot_score()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 25, 2026
Updated · October 16, 2026
Description
A flaw was found in the Linux kernel's Data Access MONitor (DAMON) subsystem. A local user with write permissions to the system file system (sysfs) can exploit this vulnerability by configuring extreme (zero or excessively high) monitoring intervals. This improper handling of interval values can lead to divide-by-zero errors or out-of-bounds array access, resulting in a kernel crash and a Denial of Service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-369 · Divide By Zero