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Fencer Vulns
high 7.1

CVE-2022-1651 json

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 emu…

published 2022-07-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24937

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 5.15.33, 5.16.19, 5.17.2
  • linux Debian 14, Debian 13, Debian 12 5.17.3-1

debian advisories DEBIAN-CVE-2022-1651

  • linux Ubuntu 22.04 LTS 5.15.0-37.39
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1011.14
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1008.12
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1008.10
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1007.8
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1010.11
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1010.12
  • linux-raspi Ubuntu 22.04 LTS 5.15.0-1011.13

ubuntu advisories UBUNTU-CVE-2022-1651

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-azure SLE Module for Public Cloud 15 SP4, openSUSE Leap 15.4 5.14.21-150400.14.7.1
  • kernel-syms-azure SLE Module for Public Cloud 15 SP4, openSUSE Leap 15.4 5.14.21-150400.14.7.1
  • kernel-source-azure SLE Module for Public Cloud 15 SP4, openSUSE Leap 15.4 5.14.21-150400.14.7.1
  • dtb-aarch64 openSUSE Leap 15.4 5.14.21-150400.24.11.1
  • kernel-64kb SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.11.1
  • kernel-syms SLE Module for Development Tools 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.11.1
  • kernel-obs-qa openSUSE Leap 15.4 5.14.21-150400.24.11.1
  • kernel-source SLE Module for Development Tools 15 SP4, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.11.1

suse advisories SUSE-SU-2022:2615-1SUSE-SU-2022:2520-1

  • kernel CBL-Mariner 2.0 5.15.67.1-4

azure linux advisories AZL-10399

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1651 updated cvss 7.1

kernel: A memory leak problem in acrn_dev_ioctl()

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

  • n/a Kernel

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime
Technology feeds

References

Sources

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