CVE-2022-42327
"Hypervisor: Intel x86 APIC Memory Information Disclosure Vulnerability"
Description
x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC mode. Access to this shared page bypasses the expected isolation that should exist between two guests.
INFO
Published Date :
Nov. 1, 2022, 1:15 p.m.
Last Modified :
Feb. 4, 2024, 8:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
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-2022-42327.
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-2022-42327 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-42327 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]
Feb. 04, 2024
Action Type Old Value New Value Added Reference Xen Project https://security.gentoo.org/glsa/202402-07 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Xen Project https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ [No types assigned] Added Reference Xen Project https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ [No types assigned] Removed Reference Xen Project https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ Removed Reference Xen Project https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ -
Modified Analysis by [email protected]
Jan. 20, 2023
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 24, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 09, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 04, 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:N Changed Reference Type http://www.openwall.com/lists/oss-security/2022/11/01/3 No Types Assigned http://www.openwall.com/lists/oss-security/2022/11/01/3 Mailing List, Patch, Third Party Advisory Changed Reference Type http://xenbits.xen.org/xsa/advisory-412.html No Types Assigned http://xenbits.xen.org/xsa/advisory-412.html Patch, Vendor Advisory Changed Reference Type https://xenbits.xenproject.org/xsa/advisory-412.txt No Types Assigned https://xenbits.xenproject.org/xsa/advisory-412.txt Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:xen:xen:4.16:*:*:*:*:*:x86:* -
CVE Modified by [email protected]
Nov. 01, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/11/01/3 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 01, 2022
Action Type Old Value New Value Added Reference http://xenbits.xen.org/xsa/advisory-412.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-42327 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-2022-42327
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14293
percentile