Linux Kernel up to 6.1-rc6 x86 KVM Subsystem denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Linux Kernel up to 6.1-rc6. Impacted is an unknown function of the component x86 KVM Subsystem. This manipulation causes denial of service. The identification of this vulnerability is CVE-2022-45869. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.
Details
A vulnerability was found in Linux Kernel up to 6.1-rc6 (Operating System). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component x86 KVM Subsystem. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:
A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the TDP MMU are enabled.
The weakness was shared 11/30/2022. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-45869 since 11/23/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2024-1086). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- SUSE Linux
- IBM QRadar SIEM
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
11/23/2022 🔍11/30/2022 🔍
11/30/2022 🔍
10/17/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-45869 (🔍)
GCVE (CVE): GCVE-0-2022-45869
GCVE (VulDB): GCVE-100-214549
CERT Bund: WID-SEC-2024-1086 - IBM QRadar SIEM: Mehrere Schwachstellen
Entry
Created: 11/30/2022 07:18Updated: 10/17/2025 06:55
Changes: 11/30/2022 07:18 (41), 04/24/2025 23:41 (27), 10/17/2025 06:55 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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