CVE-2022-28735 Affecting grub2-x86_64-efi package, versions <2.04-150200.9.63.2
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-SLES152-GRUB2X8664EFI-2871044
- published 15 Jun 2022
- disclosed 14 Jun 2022
Introduced: 14 Jun 2022
CVE-2022-28735 Open this link in a new tabHow to fix?
Upgrade SLES:15.2
grub2-x86_64-efi
to version 2.04-150200.9.63.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grub2-x86_64-efi
package and not the grub2-x86_64-efi
package as distributed by SLES
.
See How to fix?
for SLES:15.2
relevant fixed versions and status.
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
References
- https://www.suse.com/security/cve/CVE-2022-28735.html
- https://lists.suse.com/pipermail/sle-security-updates/2022-June/011278.html
- https://www.suse.com/support/update/announcement/2022/suse-su-20222074-1/
- 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://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-2022-28735
- https://www.openwall.com/lists/oss-security/2022/06/07/5
- https://security.netapp.com/advisory/ntap-20230825-0002/