CVE-2024-47676
kernel: mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · September 13, 2026
Description
A flaw was found in the Linux kernel. This vulnerability, a Use-After-Free (UAF) in the huge page (hugetlb) fault pathway, allows a Virtual Memory Area (VMA) to be freed while still in use. A local attacker with low privileges could exploit this to cause a system crash (denial of service), access sensitive information, or potentially gain elevated privileges.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free