Vulnerability Details : CVE-2018-11508
Potential exploit
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.
Vulnerability category: Information leak
Products affected by CVE-2018-11508
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-11508
1.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 80 %
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 | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
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 |
CWE ids for CVE-2018-11508
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-11508
-
https://usn.ubuntu.com/3695-1/
USN-3695-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/104292
Linux Kernel 'kernel/compat.c' Local Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/46208/
Linux Kernel 4.13 - 'compat_get_timex()' Leak Kernel PointerExploit;Third Party Advisory;VDB Entry
-
https://usn.ubuntu.com/3697-2/
USN-3697-2: Linux kernel (OEM) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
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 - MonorailExploit;Issue Tracking;Third Party Advisory
-
https://usn.ubuntu.com/3695-2/
USN-3695-2: Linux kernel (HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/torvalds/linux/commit/0a0b98734479aa5b3c671d5190e86273372cab95
compat: fix 4-byte infoleak via uninitialized struct field · torvalds/linux@0a0b987 · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/3697-1/
USN-3697-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a0b98734479aa5b3c671d5190e86273372cab95
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.9
Release Notes;Vendor Advisory
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