CVE-2020-29040

high

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.

References

https://xenbits.xen.org/xsa/advisory-355.html

http://xenbits.xen.org/xsa/advisory-355.html

http://www.openwall.com/lists/oss-security/2021/01/19/4

Details

Source: Mitre, NVD

Published: 2020-11-24

Updated: 2022-04-26

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00167