CVE-2022-28736

Name
CVE-2022-28736
Description
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.openwall.com/lists/oss-security/2022/06/07/5
MISC https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736
MISC https://security.netapp.com/advisory/ntap-20230825-0002/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* grub2 >= 2.00 < 2.06-3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status