Use After Free Affecting grub2-efi-x64-modules package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-GRUB2EFIX64MODULES-2865816
- published 9 Jun 2022
- disclosed 7 Jun 2022
Introduced: 7 Jun 2022
CVE-2022-28736 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 grub2-efi-x64-modules.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grub2-efi-x64-modules package and not the grub2-efi-x64-modules package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2022-28736
- https://access.redhat.com/errata/RHSA-2022:5095
- https://access.redhat.com/errata/RHSA-2022:5099
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736
- https://www.openwall.com/lists/oss-security/2022/06/07/5
- https://security.netapp.com/advisory/ntap-20230825-0002/