CVE-2017-18079 — HIGH (7.8)

Q: How severe is CVE-2017-18079?

CVE-2017-18079 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-18079?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.

Vulnerability Description

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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.94
Canonical	Ubuntu Linux	12.04

Related Weaknesses (CWE)

CWE-476

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d39Issue TrackingPatchThird Party Advisory
http://www.securityfocus.com/bid/102895Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d322Patch
https://usn.ubuntu.com/3655-1/Third Party Advisory
https://usn.ubuntu.com/3655-2/Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Issue TrackingPatchRelease Notes
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d39Issue TrackingPatchThird Party Advisory
http://www.securityfocus.com/bid/102895Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d322Patch
https://usn.ubuntu.com/3655-1/Third Party Advisory
https://usn.ubuntu.com/3655-2/Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Issue TrackingPatchRelease Notes

FAQ

What is CVE-2017-18079?

CVE-2017-18079 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 becaus...

How severe is CVE-2017-18079?

CVE-2017-18079 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-18079?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.