CVE-2022-2196
CVSS V2 None
CVSS V3 None
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 past commit 2e7eab81425a
Overview
- CVE ID
- CVE-2022-2196
- Assigner
- cve-coordination@google.com
- Vulnerability Status
- Modified
- Published Version
- 2023-01-09T11:15:10
- Last Modified Date
- 2023-05-03T01:15:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 6.2 |
References
| Reference URL | Reference Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5 | Mailing List Patch Vendor Advisory |
| https://kernel.dance/#2e7eab81425a | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-2196 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2196 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2023-01-09 11:21:52 | Added to TrackCVE | |||
| 2023-01-09 11:21:52 | Weakness Enumeration | new | ||
| 2023-01-09 13:18:15 | 2023-01-09T12:40:16 | CVE Modified Date | updated | |
| 2023-01-09 13:18:15 | Received | Awaiting Analysis | Vulnerability Status | updated |
| 2023-01-12 16:16:59 | Awaiting Analysis | Undergoing Analysis | Vulnerability Status | updated |
| 2023-01-13 14:14:45 | 2023-01-13T14:12:08 | CVE Modified Date | updated | |
| 2023-01-13 14:14:45 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-01-13 14:14:46 | CPE Information | updated | ||
| 2023-05-03 02:03:55 | 2023-05-03T01:15:09 | CVE Modified Date | updated | |
| 2023-05-03 02:03:55 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-05-03 02:04:02 | 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 past commit 2e7eab81425a | 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 past commit 2e7eab81425a | Description | updated |
| 2023-05-03 02:04:08 | References | updated |