medium 5.5

CVE-2022-0854 json

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE.

published 2022-03-23 4y ago modified 2026-06-17 4mo ago also EUVD-2022-15897

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Patch / fix

distros 7

debian ubuntu red hat suse almalinux rocky linux azure linux

linux Debian 14, Debian 13, Debian 12 5.17.3-1

debian advisories DEBIAN-CVE-2022-0854

linux Ubuntu 18.04 LTS 4.15.0-191.202
linux Ubuntu 20.04 LTS 5.4.0-126.142
linux Ubuntu 22.04 LTS 5.15.0-37.39
linux-aws Ubuntu 18.04 LTS 4.15.0-1139.150
linux-aws Ubuntu 20.04 LTS 5.4.0-1085.92
linux-aws Ubuntu 22.04 LTS 5.15.0-1011.14
linux-gcp Ubuntu 20.04 LTS 5.4.0-1089.97
linux-gcp Ubuntu 22.04 LTS 5.15.0-1008.12

ubuntu advisories UBUNTU-CVE-2022-0854

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 RHEL 9 5.14.0-162.6.1.el9_1
perf RHEL 9 5.14.0-162.6.1.el9_1
bpftool RHEL 9 5.14.0-162.6.1.el9_1
kernel-core RHEL 9 5.14.0-162.6.1.el9_1
kernel-tools RHEL 9 5.14.0-162.6.1.el9_1
python3-perf RHEL 9 5.14.0-162.6.1.el9_1
kernel-modules RHEL 9 5.14.0-162.6.1.el9_1
kernel-zfcpdump RHEL 9 5.14.0-162.6.1.el9_1

red hat advisories RHSA-2022:8267 RHSA-2022:7933 RHSA-2024:0412 RHSA-2022:7683 RHSA-2022:7444

kernel-64kb SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS, SLE High Performance Computing 15 SP4-ESPOS 5.14.21-150400.24.194.1
kernel-syms SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.24.194.1
kernel-source SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.24.194.1
kernel-default SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +5 more 5.14.21-150400.24.194.1
kernel-obs-build SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.24.194.1
kernel-default-base SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +3 more 5.14.21-150400.24.194.1.150400.24.98.3
kernel-rt SLE Micro 5.4, SLE Micro 5.3 5.14.21-150400.15.142.1
kernel-source-rt SLE Micro 5.4, SLE Micro 5.3 5.14.21-150400.15.142.1

suse advisories SUSE-SU-2026:0617-1 SUSE-SU-2026:0411-1 SUSE-SU-2026:0369-1 SUSE-SU-2026:0350-1 SUSE-SU-2026:0317-1 SUSE-SU-2026:0263-1

kernel-rt AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-debug-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-debug-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-debug-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
kernel-rt-modules-extra AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1

almalinux advisories ALSA-2022:7933 ALSA-2022:8267 ALSA-2022:7444 ALSA-2022:7683

kernel Rocky Linux 8 4.18.0-425.3.1.el8
kernel-rt Rocky Linux 8 4.18.0-425.3.1.rt7.213.el8

rocky linux advisories RLSA-2022:7683 RLSA-2022:7444

kernel CBL-Mariner 2.0 5.15.37.1-2

azure linux advisories AZL-9142

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

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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-2022-0854 updated 2026-11-07 cvss 5.5

kernel: swiotlb information leak with DMA_FROM_DEVICE

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
affected: workaround, no fix planned “Out of support scope”
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-425.3.1.el8, kernel-debuginfo-common-aarch64 4.18.0-425.3.1.el8, kernel-debuginfo-common-ppc64le 4.18.0-425.3.1.el8
fixed: vendor fix RHSA-2022:7683
Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-aarch64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-ppc64le 5.14.0-162.6.1.el9_1
fixed: vendor fix RHSA-2022:8267
Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.87.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.87.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.87.1.el8_6
fixed: vendor fix RHSA-2024:0412
Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-162.6.1.el9_1, kernel-devel-matched 5.14.0-162.6.1.el9_1, kernel-debug-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-zfcpdump-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, +2 more
fixed: vendor fix RHSA-2022:8267
Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-425.3.1.el8, kernel 4.18.0-425.3.1.el8, bpftool 4.18.0-425.3.1.el8, kernel-core 4.18.0-425.3.1.el8, kernel-tools 4.18.0-425.3.1.el8, python3-perf 4.18.0-425.3.1.el8, +15 more
fixed: vendor fix RHSA-2022:7683
Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-162.6.1.el9_1, bpftool 5.14.0-162.6.1.el9_1, kernel-core 5.14.0-162.6.1.el9_1, kernel-tools 5.14.0-162.6.1.el9_1, python3-perf 5.14.0-162.6.1.el9_1, kernel-modules 5.14.0-162.6.1.el9_1, +14 more
fixed: vendor fix RHSA-2022:8267
Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.87.1.el8_6, kernel 4.18.0-372.87.1.el8_6, bpftool 4.18.0-372.87.1.el8_6, kernel-core 4.18.0-372.87.1.el8_6, kernel-tools 4.18.0-372.87.1.el8_6, python3-perf 4.18.0-372.87.1.el8_6, +15 more
fixed: vendor fix RHSA-2024:0412

show 5 more

Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-425.3.1.rt7.213.el8, kernel-rt-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules-extra 4.18.0-425.3.1.rt7.213.el8, +2 more
fixed: vendor fix RHSA-2022:7444
Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules-extra 5.14.0-162.6.1.rt21.168.el9_1, +2 more
fixed: vendor fix RHSA-2022:7933
Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-425.3.1.rt7.213.el8, kernel-rt-kvm 4.18.0-425.3.1.rt7.213.el8, kernel-rt-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-kvm 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-core 4.18.0-425.3.1.rt7.213.el8, +4 more
fixed: vendor fix RHSA-2022:7444
Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, +4 more
fixed: vendor fix RHSA-2022:7933
Red Hat Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.87.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.87.1.el8_6
fixed: vendor fix RHSA-2024:0412

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

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

git.kernel.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Kernel

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-401 Missing Release of Memory after Effective Lifetime

Technology feeds

Linux kernel rss critical rss

References

git.kernel.org /pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454
exploit, mailing-list, third-party-advisory
debian.org /security/2022/dsa-5161
vendor-advisory, third-party-advisory
debian.org /security/2022/dsa-5173
vendor-advisory, third-party-advisory
lists.debian.org /debian-lts-announce/2022/07/msg00000.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2022-0854
NVD CVE-2022-0854

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

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