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CVE-2022-2196 Details

Description

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or applying the relevant stable backports (v5.4.233, v5.10.170, v5.15.96, v6.1.14).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.8 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5	CVE	Mailing ListPatchVendor Advisory
https://kernel.dance/#2e7eab81425a	CVE	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	CVE	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230223-0002/	CVE
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1b0cafaae8884726c597caded50af185ffc13349	[email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=63fada296062e91ad9f871970d4e7f19e21a6a15	[email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=6b539a7dbb49250f92515c2ba60aea239efc9e35	[email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f93a1a5bdcdd122aae0a3eab7a52c15b71fb725b	[email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5	[email protected]	Mailing ListPatchVendor Advisory
https://kernel.dance/#2e7eab81425a	[email protected]	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	[email protected]	Mailing ListThird Party Advisory

see all 11 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1188	Initialization of a Resource with an Insecure Default	[email protected]
CWE-1188	Initialization of a Resource with an Insecure Default	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 5.4.47, < 5.4.233 >= 5.6.19, < 5.7 >= 5.7.3, < 5.10.170 >= 5.11, < 5.15.96 >= 5.16, < 6.1.14
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
debian debian linux	10.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Aug 7, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Feb 13, 2025	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 18, 2023	Modified Analysis	[email protected]
May 3, 2023	CVE Modified	[email protected]
Jan 13, 2023	Initial Analysis	[email protected]