CVE-2015-5281

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-11-24 · updated 2026-06-17
Weakness: CWE-264

Description

The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux (RHEL) 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted (1) multiboot or (2) multiboot2 module in the configuration file or physically proximate attackers to bypass intended Secure Boot restrictions and execute non-verified code via the (3) boot menu.

Affected products

Red Hat Enterprise Linux: 7.0

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html
http://rhn.redhat.com/errata/RHSA-2015-2401.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/77983
http://www.securitytracker.com/id/1034198
https://bugzilla.redhat.com/show_bug.cgi?id=1264103
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html
http://rhn.redhat.com/errata/RHSA-2015-2401.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/77983

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