Use After Free Affecting grub2-snapper-plugin package, versions <2.04-150300.22.20.2
Snyk CVSS
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-SLES153-GRUB2SNAPPERPLUGIN-2869594
- published 14 Jun 2022
- disclosed 13 Jun 2022
Introduced: 13 Jun 2022
CVE-2022-28736 Open this link in a new tabHow to fix?
Upgrade SLES:15.3
grub2-snapper-plugin
to version 2.04-150300.22.20.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grub2-snapper-plugin
package and not the grub2-snapper-plugin
package as distributed by SLES
.
See How to fix?
for SLES:15.3
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://www.suse.com/security/cve/CVE-2022-28736.html
- https://lists.suse.com/pipermail/sle-security-updates/2022-June/011275.html
- https://www.suse.com/support/update/announcement/2022/suse-su-20222064-1/
- https://bugzilla.suse.com/1191184
- https://bugzilla.suse.com/1191185
- https://bugzilla.suse.com/1191186
- https://bugzilla.suse.com/1193282
- https://bugzilla.suse.com/1197948
- https://bugzilla.suse.com/1198460
- https://bugzilla.suse.com/1198493
- https://bugzilla.suse.com/1198495
- https://bugzilla.suse.com/1198496
- https://bugzilla.suse.com/1198581
- https://bugzilla.suse.com/1203445
- https://bugzilla.suse.com/1205057
- https://www.suse.com/security/cve/CVE-2021-3695/
- https://www.suse.com/security/cve/CVE-2021-3696/
- https://www.suse.com/security/cve/CVE-2021-3697/
- https://www.suse.com/security/cve/CVE-2022-28733/
- https://www.suse.com/security/cve/CVE-2022-28734/
- https://www.suse.com/security/cve/CVE-2022-28735/
- https://www.suse.com/security/cve/CVE-2022-28736/
- https://www.suse.com/support/security/rating/
- 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/