CVE-2018-14656 Information

Description

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securitytracker.com/id/1041804 https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 https://lore.kernel.org/lkml/20180828154901.112726-1-jannh@google.com/T/ https://seclists.org/oss-sec/2018/q4/9

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5