Vulnerability Details : CVE-2017-18079
drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-18079
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18079
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18079
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-18079
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18079
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226
kernel/git/torvalds/linux.git - Linux kernel source treeIssue Tracking;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/102895
Linux Kernel 'drivers/input/serio/i8042.c' Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4
Issue Tracking;Patch;Release Notes
-
https://usn.ubuntu.com/3655-2/
USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3655-1/
USN-3655-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226
Input: i8042 - fix crash at boot time · torvalds/linux@340d394 · GitHubPatch
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