CVE-2020-27779 Affecting grub2-powerpc-ieee1275 package, versions <2.04-9.34.1
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Test your applications- Snyk ID SNYK-SLES152-GRUB2POWERPCIEEE1275-2685871
- published 14 Apr 2022
- disclosed 2 Mar 2021
Introduced: 2 Mar 2021
CVE-2020-27779 Open this link in a new tabHow to fix?
Upgrade SLES:15.2
grub2-powerpc-ieee1275
to version 2.04-9.34.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grub2-powerpc-ieee1275
package and not the grub2-powerpc-ieee1275
package as distributed by SLES
.
See 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.
References
- https://www.suse.com/security/cve/CVE-2020-27779.html
- https://lists.suse.com/pipermail/sle-security-updates/2021-March/008423.html
- https://www.suse.com/support/update/announcement/2021/suse-su-20210683-1/
- https://bugzilla.suse.com/1175970
- https://bugzilla.suse.com/1176711
- https://bugzilla.suse.com/1177883
- https://bugzilla.suse.com/1179264
- https://bugzilla.suse.com/1179265
- https://bugzilla.suse.com/1182057
- https://bugzilla.suse.com/1182262
- https://bugzilla.suse.com/1182263
- https://bugzilla.suse.com/1192833
- https://www.suse.com/security/cve/CVE-2020-14372/
- https://www.suse.com/security/cve/CVE-2020-25632/
- https://www.suse.com/security/cve/CVE-2020-25647/
- https://www.suse.com/security/cve/CVE-2020-27749/
- https://www.suse.com/security/cve/CVE-2020-27779/
- https://www.suse.com/security/cve/CVE-2021-20225/
- https://www.suse.com/security/cve/CVE-2021-20233/
- https://www.suse.com/support/security/rating/
- https://bugzilla.redhat.com/show_bug.cgi?id=1900698
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/
- https://security.gentoo.org/glsa/202104-05
- https://security.netapp.com/advisory/ntap-20220325-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/