NULL pointer dereference in Linux Kernel
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/102895 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226 (Patch)
- usn.ubuntu.com/3655-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3655-2/ (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4 (Patch, Release Notes, Issue Tracking)
Frequently asked questions
- What is CVE-2017-18079?
- CVE-2017-18079 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2018-01-29.
- How severe is CVE-2017-18079?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-18079 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.