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Fencer Vulns
high 7.8

CVE-2022-0516 json

A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel.

published 2022-03-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15644

cvss
7.8
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 27%
public exploits
0
none known

Summary

A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4.

Patch / fix

  • linux linux_kernel 5.17
  • linux Debian 14, Debian 13, Debian 12 5.16.10-1

debian advisories DEBIAN-CVE-2022-0516

  • linux Ubuntu 20.04 LTS 5.4.0-105.119
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1069.73
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1068.72
  • linux-gke Ubuntu 20.04 LTS 5.4.0-1066.69
  • linux-ibm Ubuntu 20.04 LTS 5.4.0-1018.20
  • linux-kvm Ubuntu 20.04 LTS 5.4.0-1059.62
  • linux-azure Ubuntu 20.04 LTS 5.4.0-1073.76
  • linux-gkeop Ubuntu 20.04 LTS 5.4.0-1037.38

ubuntu advisories UBUNTU-CVE-2022-0516

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 8 4.18.0-348.20.1.el8_5
  • perf RHEL 8 4.18.0-348.20.1.el8_5
  • bpftool RHEL 8 4.18.0-348.20.1.el8_5
  • kernel-core RHEL 8 4.18.0-348.20.1.el8_5
  • kernel-tools RHEL 8 4.18.0-348.20.1.el8_5
  • python3-perf RHEL 8 4.18.0-348.20.1.el8_5
  • kernel-modules RHEL 8 4.18.0-348.20.1.el8_5
  • kernel-zfcpdump RHEL 8 4.18.0-348.20.1.el8_5

red hat advisories RHSA-2022:0825RHSA-2022:0777

  • kernel-rt SLE Micro 5.0, Real Time Module 15 SP2 5.3.18-150200.79.2
  • kernel-syms-rt Real Time Module 15 SP2 5.3.18-150200.79.1
  • kernel-rt_debug Real Time Module 15 SP2 5.3.18-150200.79.2
  • kernel-source-rt Real Time Module 15 SP2 5.3.18-150200.79.2
  • kernel-rt SLE Micro 5.1, Real Time Module 15 SP3 5.3.18-150300.82.1
  • kernel-syms-rt Real Time Module 15 SP3 5.3.18-150300.82.1
  • kernel-rt_debug Real Time Module 15 SP3 5.3.18-150300.82.1
  • kernel-source-rt Real Time Module 15 SP3 5.3.18-150300.82.1

suse advisories SUSE-SU-2022:1257-1SUSE-SU-2022:1038-1SUSE-SU-2022:0760-1SUSE-SU-2022:0759-1SUSE-SU-2022:0755-1SUSE-SU-2022:0660-1

  • dtb-aarch64 openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-64kb openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-syms openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-obs-qa openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-source openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-default openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-preempt openSUSE Leap 15.3 5.3.18-150300.59.54.1
  • kernel-kvmsmall openSUSE Leap 15.3 5.3.18-150300.59.54.1

opensuse advisories openSUSE-SU-2022:0760-1openSUSE-SU-2022:0755-1

  • kernel Rocky Linux 8 4.18.0-348.20.1.el8_5

rocky linux advisories RLSA-2022:0825

  • kernel CBL-Mariner 2.0 5.15.32.1-2

azure linux advisories AZL-8997

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-2022-0516 updated cvss 7.8

kernel: missing check in ioctl allows kernel memory read/write

  • Red Hat Enterprise Linux 8 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +6 more
    affected: workaround, no fix available
  • Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-348.20.1.el8_5, kernel-debuginfo-common-aarch64 4.18.0-348.20.1.el8_5, kernel-debuginfo-common-ppc64le 4.18.0-348.20.1.el8_5 Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-348.20.1.el8_5, kernel 4.18.0-348.20.1.el8_5, bpftool 4.18.0-348.20.1.el8_5, kernel-core 4.18.0-348.20.1.el8_5, kernel-tools 4.18.0-348.20.1.el8_5, python3-perf 4.18.0-348.20.1.el8_5, +15 more
    fixed: vendor fix RHSA-2022:0825
  • Red Hat Enterprise Linux BaseOS EUS (v.8.4) perf 4.18.0-305.40.1.el8_4, kernel 4.18.0-305.40.1.el8_4, bpftool 4.18.0-305.40.1.el8_4, kernel-core 4.18.0-305.40.1.el8_4, kernel-tools 4.18.0-305.40.1.el8_4, python3-perf 4.18.0-305.40.1.el8_4, +15 more Red Hat Enterprise Linux CRB EUS (v.8.4) kernel-debuginfo-common-x86_64 4.18.0-305.40.1.el8_4, kernel-debuginfo-common-aarch64 4.18.0-305.40.1.el8_4, kernel-debuginfo-common-ppc64le 4.18.0-305.40.1.el8_4
    fixed: vendor fix RHSA-2022:0777
  • 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 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

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a kernel

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Vulns 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.