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vulnerabilityCVE-2022-28736
Name
CVE-2022-28736
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
grub
Exploitable

Vulnerability Ratings#


6.4
CVSSv31
7.8
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.12
Not Affected
buildroot
master
2.14
Not Affected
openwrt
master
2.12-r1
Not Affected
openwrt
openwrt-25.12
2.12-r1
Not Affected
yocto
master
2.14
Not Affected
yocto
scarthgap
2.12
Not Affected