CVE-2022-3623
kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 1, 2022
Updated · August 7, 2026
Description
A vulnerability was found in follow_page_pte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause 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
Mitigation for this issue is either not available or the currently available options don't 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 · 5.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE-123 · Write-what-where Condition