CVE-2022-28736 - OpenCVE

There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

Vendors & Products
CPE Configurations

Vendors	Products
Gnu	Grub2

Configuration 1 [-]

cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*

References

Link	Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736	Third Party Advisory
https://security.netapp.com/advisory/ntap-20230825-0002/
https://www.openwall.com/lists/oss-security/2022/06/07/5	Mailing List Third Party Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: canonical

Published: 2023-07-20T00:23:01.952Z

Updated: 2023-07-20T15:37:52.894Z

Reserved: 2022-04-05T21:59:08.761Z

Link: CVE-2022-28736

JSON object: View

NVD Information

Status : Modified

Published: 2023-07-20T01:15:10.400

Modified: 2023-08-25T23:15:09.690

Link: CVE-2022-28736

JSON object: View

Redhat Information

No data.

CWE

CWE-416

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