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.

EPSS: 0.004 (34.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Patch)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, 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.