CVE-2020-15706
- Source
- https://cve.org/CVERecord?id=CVE-2020-15706
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15706.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-15706
- Downstream
- Related
- Published
- 2020-07-29T18:15:14.420Z
- Modified
- 2026-03-10T23:11:25.896748Z
- Severity
-
- 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
GRUB2 contains a race condition in grubscriptfunction_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.
- References
-
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html
- https://access.redhat.com/security/vulnerabilities/grub2bootloader
- https://security.netapp.com/advisory/ntap-20200731-0008/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html
- http://ubuntu.com/security/notices/USN-4432-1
- https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass
- https://www.debian.org/security/2020/dsa-4735
- https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/
- https://www.openwall.com/lists/oss-security/2020/07/29/3
- https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/
- http://www.openwall.com/lists/oss-security/2020/07/29/3
- https://security.gentoo.org/glsa/202104-05
- https://usn.ubuntu.com/4432-1/
- https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot
- https://www.suse.com/support/kb/doc/?id=000019673
- https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15706.json"
unresolved_ranges
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