5.5
MEDIUM
CVE-2022-0171
Linux KVM SEV Host Kernel Crash Vulnerability
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).

INFO

Published Date :

Aug. 26, 2022, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 6:38 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-0171 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Redhat enterprise_linux
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-0171.

URL Resource
https://access.redhat.com/security/cve/CVE-2022-0171 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2038940 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-0171 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2038940 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5257 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-0171 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-0171 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/security/cve/CVE-2022-0171
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2038940
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
    Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
    Added Reference https://www.debian.org/security/2022/dsa-5257
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jul. 21, 2023

    Action Type Old Value New Value
    Removed CWE NIST CWE-459
    Added CWE NIST CWE-212
  • Modified Analysis by [email protected]

    Dec. 03, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 01, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.debian.org/security/2022/dsa-5257 No Types Assigned https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 19, 2022

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2022/dsa-5257 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 01, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2022-0171 No Types Assigned https://access.redhat.com/security/cve/CVE-2022-0171 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2038940 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2038940 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b Mailing List, Patch, Vendor Advisory
    Added CWE NIST CWE-459
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18 *cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-0171 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-0171 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.12200

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability