PT-2021-7293 · Xen+4 · Xen+4

Juergen Gross + 1 · Published 2021-01-05 · Updated 2023-04-12 · CVE-2021-28711

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 (affected versions not specified)

Description The issue is related to a component of the Xen hypervisor, specifically the blkfront component, which has a resource release error. This can be exploited by a remote 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:2022-05372

CVE-2021-28711

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

SUSE-SU-2022_0181-1

USN-5298-1

USN-5337-1

USN-5338-1

USN-5368-1

USN-5377-1

USN-6014-1

Affected Products

Astra Linux

Linuxmint

Suse

Ubuntu

Xen

References · 369

• 🔥 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