CVE-2020-29040
HIGH
8.8
CVSS Score
Published: November 24, 2020 at 04:07 PM UTC
Updated: June 17, 2026 at 03:11 AM UTC
1 product affected across 1 vendorXen
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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
Description
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/01/19/4x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://xenbits.xen.org/xsa/advisory-355.htmlx_refsource_MISCVendor Advisory
Source: [email protected]
https://xenbits.xen.org/xsa/advisory-355.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-193CWE-787
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