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OpenAdvisories
High USN-2836-1 1 CVE

grub2 vulnerability

Published Dec 15, 2015 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled
the backspace key when configured to use authentication. A local attacker
could use this issue to bypass GRUB password protection.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 14.04 LTS 14.04:LTS grub2 2.02~beta2-9ubuntu1.6

Vulnerabilities 1

  • High 7.4
    CVE-2015-8370

    Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, o…

    grub2 grub2 Debian Ubuntu

References

  • report
    https://ubuntu.com/security/CVE-2015-8370