7.8
HIGH
CVE-2022-39189
Linux KVM x86 KVA Use-After-Free (Vulnerability)
Description

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

INFO

Published Date :

Sept. 2, 2022, 5:15 a.m.

Last Modified :

Oct. 20, 2023, 12:15 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-39189 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 Netapp hci_baseboard_management_controller
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-2022-39189.

URL Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=2309 Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17 Patch Release Notes Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20230214-0007/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5480 Third Party Advisory VDB Entry

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-2022-39189 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-39189 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 20, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 12, 2023

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20230214-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20230214-0007/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5480 No Types Assigned https://www.debian.org/security/2023/dsa-5480 Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18.17 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.16 up to (excluding) 5.4.244 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.10.180 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.60 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.18.17
    Added CPE Configuration OR *cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 19, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5480 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 14, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230214-0007/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 08, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugs.chromium.org/p/project-zero/issues/detail?id=2309 No Types Assigned https://bugs.chromium.org/p/project-zero/issues/detail?id=2309 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17 Patch, Release Notes, Vendor Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736 Patch, Vendor Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736 No Types Assigned https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736 Patch, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18.17
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-2022-39189 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-2022-39189 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

0.12234

percentile

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