Strix
26.1K

CVE-2017-15951

HIGHCVSS 7.8/10EPSS 0.41%

Last modified

CVE-2017-15951 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.41%

33.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 4.4, < 4.4.95
LinuxLinux Kernel>= 4.5, < 4.9.59
LinuxLinux Kernel>= 4.10, < 4.13.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2017-15951?
CVE-2017-15951 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15951?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2017

View all 2017CVEs →

Are you affected by CVE-2017-15951?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST