CVE-2020-29040
First published: Tue Nov 24 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | <=4.14.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-29040?
CVE-2020-29040 has a high severity as it can lead to denial of service, data leaks, or privilege escalation.
How do I fix CVE-2020-29040?
To fix CVE-2020-29040, you should update Xen to a version higher than 4.14.0.
What software versions are affected by CVE-2020-29040?
CVE-2020-29040 affects Xen versions up to and including 4.14.0.
What type of vulnerability is CVE-2020-29040?
CVE-2020-29040 is an off-by-one error that can cause stack corruption.
Can CVE-2020-29040 lead to privilege escalation?
Yes, CVE-2020-29040 can potentially allow users to gain elevated privileges.
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