CVE-2022-1651
kernel: A memory leak problem in acrn_dev_ioctl()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 17, 2022
Updated · November 22, 2025
Description
A memory leak flaw was found in the Linux kernel in acrn_dev_ioctl in the drivers/virt/acrn/hsm.c function in how the ACRN Device Model emulates virtual NICs in VM. This flaw allows a local privileged attacker to leak unauthorized kernel information, causing a denial of service.
Statement
The Linux kernel packages as shipped with Red Hat Enterprise Linux are not vulnerable as they did not include functionality exploited by this issue.
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-401 · Missing Release of Memory after Effective Lifetime