CVE-2022-28736

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-28736
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.

6.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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
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
Configurations

Configuration 1 (hide)

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

21 Nov 2024, 06:57

Type Values Removed Values Added
References () https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - Third Party Advisory () https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20230825-0002/ - () https://security.netapp.com/advisory/ntap-20230825-0002/ -
References () https://www.openwall.com/lists/oss-security/2022/06/07/5 - Mailing List, Third Party Advisory () https://www.openwall.com/lists/oss-security/2022/06/07/5 - Mailing List, Third Party Advisory
CVSS v2 : unknown
v3 : 7.8 		v2 : unknown
v3 : 6.4

25 Aug 2023, 23:15

Type Values Removed Values Added
References
  • (MISC) https://security.netapp.com/advisory/ntap-20230825-0002/ -

28 Jul 2023, 15:32

Type Values Removed Values Added
CWE CWE-416
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
References (MISC) https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - (MISC) https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2022/06/07/5 - (MISC) https://www.openwall.com/lists/oss-security/2022/06/07/5 - Mailing List, Third Party Advisory
CPE cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
First Time Gnu grub2
Gnu

20 Jul 2023, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-07-20 01:15

Updated : 2024-11-21 06:57

NVD link : CVE-2022-28736

Mitre link : CVE-2022-28736

CVE.ORG link : CVE-2022-28736

JSON object : View

Products Affected

gnu

  • grub2
CWE
CWE-416

Use After Free