PT-2021-7286 · Unknown+4 · Xen Hypervisor+4

Jürgen Groß · Published 2021-01-05 · Updated 2023-04-12 · CVE-2021-28712

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

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

Description The issue is related to errors in resource release in the netfront component of the Xen hypervisor. Exploitation of this issue may allow an attacker to cause a denial of service.

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

Exploit

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

BDU:2022-05176

CVE-2021-28712

DLA-2940-1

DLA-2941-1

DSA-5050-1

DSA-5096-1

MGASA-2021-0588

MGASA-2021-0589

OESA-2022-1484

OPENSUSE-SU-2022:0056-1

OPENSUSE-SU-2022:0131-1

OPENSUSE-SU-2022:0366-1

OPENSUSE-SU-2022_0056-1

OPENSUSE-SU-2022_0131-1

OPENSUSE-SU-2022_0366-1

SUSE-SU-2022:0056-1

SUSE-SU-2022:0068-1

SUSE-SU-2022:0079-1

SUSE-SU-2022:0080-1

SUSE-SU-2022:0090-1

SUSE-SU-2022:0131-1

SUSE-SU-2022:0181-1

SUSE-SU-2022:0197-1

SUSE-SU-2022:0362-1

SUSE-SU-2022:0366-1

SUSE-SU-2022:0367-1

SUSE-SU-2022:0371-1

SUSE-SU-2022:0477-1

USN-5298-1

USN-5337-1

USN-5338-1

USN-5368-1

USN-5377-1

USN-6001-1

USN-6013-1

USN-6014-1

Affected Products

Astra Linux

Linuxmint

Suse

Ubuntu

Xen Hypervisor

References · 372

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/docker_cgroup_escape.rb · Exploit
• 🔥 https://github.com/tr3ee/CVE-2022-23222 · Exploit
• 🔥 https://github.com/Crusaders-of-Rust/CVE-2022-0185 · Exploit
• 🔥 https://github.com/plummm/CVE-2022-27666 · Exploit
• 🔥 https://github.com/PaloAltoNetworks/can-ctr-escape-cve-2022-0492 · Exploit
• 🔥 https://github.com/chenaotian/CVE-2022-0185 · Exploit
• 🔥 https://github.com/chenaotian/CVE-2022-0492 · Exploit
• 🔥 https://github.com/veritas501/CVE-2022-0185-PipeVersion · Exploit
• 🔥 https://github.com/SofianeHamlaoui/CVE-2022-0492-Checker · Exploit
• 🔥 https://github.com/PenteraIO/CVE-2022-23222-POC · Exploit
• 🔥 https://github.com/discordianfish/cve-2022-0185-crash-poc · Exploit
• 🔥 https://github.com/T1erno/CVE-2022-0492-Docker-Breakout-Checker-and-PoC · Exploit
• 🔥 https://github.com/featherL/CVE-2022-0185-exploit · Exploit
• 🔥 https://github.com/dcheng69/CVE-2022-0185-Case-Study · Exploit