CVE-2020-14308

CVE Details

Release Date:2020-07-29
Impact:None What is this?

Description


In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

See more information about CVE-2020-14308 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 6.4
Vector String: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Attack Vector: Local
Attack Complexity: High
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (grub2)ELSA-2020-57822020-07-29
Oracle Linux version 7 (grub2)ELSA-2020-57902020-07-29
Oracle Linux version 8 (grub2)ELSA-2020-57862020-07-29


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