Vulnerability Monitor

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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.

Published

2023-07-20T01:15:10.400

Last Modified

2024-11-21T06:57:50.070

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	grub2	< 2.06-3	Yes

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20230825-0002/ ([email protected])
https://www.openwall.com/lists/oss-security/2022/06/07/5 Mailing List, Third Party Advisory ([email protected])
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20230825-0002/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2022/06/07/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)