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CVE-2022-0171

A flaw was found in the Linux kernel.

Products / packages n/a kernel · Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Published

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Severity and exploitation

Not in CISA KEVNo CVSS score

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 23:40:32 UTC

Severity

unknown

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

A flaw in the Linux kernel's KVM SEV API allows a non-root user to crash the host kernel by creating a confidential guest VM instance on AMD CPUs with Secure Encrypted Virtualization support. The vulnerability is reported to affect kernel versions prior to 5.18-rc4. A host user can exploit this weakness.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

n/a · redhat

kernel

1 range
redhat version evidence

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affected

Fixed in kernel 5.18-rc4

unaffected

unknown

Other versions: unknown

Siemens · siemens-SADP

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

1 range
siemens-SADP version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before V1.1

custom versions

unaffected

unknown

Other versions: unknown

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).

References

6 sources
www.debian.org/security/2022/dsa-5257
Vendor advisoryredhat · CVE
bugzilla.redhat.com/show_bug.cgi
Source referenceredhat · CVE
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/
Patchredhat · CVE
access.redhat.com/security/cve/CVE-2022-0171
Security advisoryredhat · CVE
lists.debian.org/debian-lts-announce/2022/11/msg00001.html
Source referenceredhat · CVE
cert-portal.siemens.com/productcert/html/ssa-794697.html
Source referencesiemens-SADP

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2022-0171

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-459 ↗

CWE-459 - Incomplete Cleanup.

redhat

Related →
Contributing organizations · 4
redhat

Assigning organization

2022-11-01
CVE

Additional data publisher

2024-08-02
siemens-SADP

Additional data publisher

2026-10-14
CISA-ADP

Additional data publisher

2026-11-02

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.