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- Snyk ID SNYK-SLES152-GRUB2X8664EFI-2687161
- published 14 Apr 2022
- disclosed 2 Mar 2021
Introduced: 2 Mar 2021CVE-2020-27779 Open this link in a new tab
How to fix?
grub2-x86_64-efi to version 2.04-9.34.1 or higher.
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
How to fix? for
SLES:15.2 relevant fixed versions and status.
A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- E-Mail link for SUSE-SU-2021:0683-1
- Link for SUSE-SU-2021:0683-1
- SUSE Bug 1175970
- SUSE Bug 1176711
- SUSE Bug 1177883
- SUSE Bug 1179264
- SUSE Bug 1179265
- SUSE Bug 1182057
- SUSE Bug 1182262
- SUSE Bug 1182263
- SUSE Bug 1192833
- SUSE CVE CVE-2020-14372 page
- SUSE CVE CVE-2020-25632 page
- SUSE CVE CVE-2020-25647 page
- SUSE CVE CVE-2020-27749 page
- SUSE CVE CVE-2020-27779 page
- SUSE CVE CVE-2021-20225 page
- SUSE CVE CVE-2021-20233 page
- SUSE Security Ratings