CVE-2018-14656

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 v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://seclists.org/oss-sec/2018/q4/9	Mailing List Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656	Issue Tracking Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650	Issue Tracking Patch Third Party Advisory
http://www.securitytracker.com/id/1041804	Third Party Advisory VDB Entry
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:4.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Information

Published : 2018-10-08 15:29

Updated : 2023-02-12 20:51

NVD link : CVE-2018-14656

Mitre link : CVE-2018-14656

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

linux

linux_kernel

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