CVE-2018-11508 : The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitiv

The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitive information from kernel memory via adjtimex.

Published 2018-05-28 13:29:00

Updated 2019-03-27 16:11:12

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Exploit prediction scoring system (EPSS) score for CVE-2018-11508

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 16 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-11508

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

References for CVE-2018-11508

https://usn.ubuntu.com/3695-1/

USN-3695-1: Linux kernel vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/104292

Linux Kernel 'kernel/compat.c' Local Information Disclosure Vulnerability
Third Party Advisory;VDB Entry
https://www.exploit-db.com/exploits/46208/

Linux Kernel 4.13 - 'compat_get_timex()' Leak Kernel Pointer
Exploit;Third Party Advisory;VDB Entry
https://usn.ubuntu.com/3697-2/

USN-3697-2: Linux kernel (OEM) vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://bugs.chromium.org/p/project-zero/issues/detail?id=1574

1574 - Linux: 4-byte infoleak via uninitialized struct field in compat adjtimex syscall - project-zero - Monorail
Exploit;Issue Tracking;Third Party Advisory
https://usn.ubuntu.com/3695-2/

USN-3695-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://github.com/torvalds/linux/commit/0a0b98734479aa5b3c671d5190e86273372cab95

compat: fix 4-byte infoleak via uninitialized struct field · torvalds/linux@0a0b987 · GitHub
Patch;Third Party Advisory
https://usn.ubuntu.com/3697-1/

USN-3697-1: Linux kernel vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a0b98734479aa5b3c671d5190e86273372cab95

kernel/git/torvalds/linux.git - Linux kernel source tree
Patch;Vendor Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.9

Release Notes;Vendor Advisory

Products affected by CVE-2018-11508

Linux » Linux Kernel
Versions before (<) 4.16.9
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 17.10
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2018-11508

Exploit prediction scoring system (EPSS) score for CVE-2018-11508

CVSS scores for CVE-2018-11508

CWE ids for CVE-2018-11508

References for CVE-2018-11508

Products affected by CVE-2018-11508