CVE-2018-14656
HIGHLinux Kernel < 4.18 - Unauthenticated Kernel Memory Leak via show_opcodes() Address Check Bypass
Title source: llmDescription
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.
References (6)
Core 6
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041804
Patch, Third Party Advisory x_refsource_confirm
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4
Mailing List x_refsource_misc
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://seclists.org/oss-sec/2018/q4/9
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650
Scores
CVSS v3
7.0
EPSS
0.0053
EPSS Percentile
40.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
Status
published
Products (2)
linux/linux_kernel
4.19 rc1
linux/linux_kernel
< 4.18
Published
Oct 08, 2018
Tracked Since
Feb 18, 2026