PT-2021-6805 · Xen+1 · Xen+1

Jan Beulich · Published 2021-08-27 · Updated 2022-09-28 · CVE-2021-28696

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Xen (affected versions not specified)

Description The issue is related to improper authorization in the Xen hypervisor. Exploitation of this issue allows an attacker to access sensitive data, compromise its integrity, and cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

BDU:2022-02228

CVE-2021-28696

DSA-4977-1

OPENSUSE-SU-2021:1236-1

OPENSUSE-SU-2021:2923-1

OPENSUSE-SU-2021_1236-1

OPENSUSE-SU-2021_2923-1

SUSE-SU-2021:2922-1

SUSE-SU-2021:2923-1

SUSE-SU-2021:2924-1

SUSE-SU-2021:2925-1

SUSE-SU-2021:2943-1

SUSE-SU-2021:2955-1

SUSE-SU-2021:2957-1

SUSE-SU-2021:3322-1

Affected Products

Suse

Xen

References · 103

• https://osv.dev/vulnerability/SUSE-SU-2021:2957-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-28696 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28696 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPRVHW4J4ZCPPOHZEWP5MOJT7XDGFFPJ · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4977-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZCNPSRPGFCQRYE2BI4D4Q4SCE56ANV2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-28696 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2922-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-28696 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/FZCNPSRPGFCQRYE2BI4D4Q4SCE56ANV2 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1236-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2943-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2924-1 · Vendor Advisory
• https://debian.org/security/2021/dsa-4977 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02228 · Security Note