Improper input validation in Linux Kernel

CVE-2017-15951

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (34.1th 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)

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-15951?
CVE-2017-15951 is a high-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-10-28.
How severe is CVE-2017-15951?
High severity. CVSS v3 base score is 7.8 out of 10.