PT-2020-17083 · Xen · Xen

Jan Beulich · Published 2020-11-24 · Updated 2024-06-15 · CVE-2020-29040

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.15

Description An issue in Xen allows x86 HVM guest OS users to cause a denial of service, a data leak, or possibly gain privileges due to an off-by-one error. This issue is caused by an incorrect fix for a previous problem.

Recommendations For Xen versions prior to 4.15, update to version 4.15 or later to resolve the issue. At the moment, there is no information about other versions that contain a fix for this issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-193

CWE-787

Related Identifiers

CVE-2020-29040

OPENSUSE-SU-2024:11520-1

Affected Products

Xen

References · 107

• https://osv.dev/vulnerability/CVE-2020-29040 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11520-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-29040 · Vendor Advisory
• https://xenbits.xen.org/xsa/advisory-355.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-29040 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-29040 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-29040 · Vendor Advisory
• http://xenbits.xen.org/xsa/advisory-355.html · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2020-29040 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-29040 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29040 · Security Note
• https://suse.com/security/cve/CVE-2020-27671 · Note
• https://suse.com/security/cve/CVE-2020-25598 · Note
• http://openwall.com/lists/oss-security/2021/01/19/4 · Note
• https://suse.com/security/cve/CVE-2020-27670 · Note