CVE-2026-46318
kernel: Revert "mm/hugetlbfs: update hugetlbfs to use mmap_prepare"
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 9, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's hugetlbfs component. An issue in the mmap_prepare stage incorrectly handled memory allocation, which could lead to a lock leak if an allocation failed. This resource leak could potentially be exploited by a local attacker to cause a Denial of Service (DoS) by exhausting system resources.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime