CVE-2021-32843
 
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, `virtio.c` has is a call to `vc_cfgread` that does not check for null which when called makes the host crash. This issue may lead to a guest crashing the host causing a denial of service. This issue is fixed in commit df0e46c7dbfd81a957d85e449ba41b52f6f7beb4.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-05-12 CVE Reserved
- 2023-02-17 CVE Published
- 2024-08-03 CVE Updated
- 2024-09-09 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit | Third Party Advisory |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4 | 2023-02-28 | |
https://github.com/moby/hyperkit/pull/313 | 2023-02-28 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Mobyproject Search vendor "Mobyproject" | Hyperkit Search vendor "Mobyproject" for product "Hyperkit" | <= 0.20210107 Search vendor "Mobyproject" for product "Hyperkit" and version " <= 0.20210107" | - |
Affected
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