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CVE-2017-16995

HIGHCVSS 7.8/10EPSS 30.05%

Last modified

CVE-2017-16995 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.. EPSS estimates a 30.05% chance of exploitation in the next 30 days.

Description

The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.

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
30.05%

98.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 4.9, < 4.9.72
LinuxLinux Kernel>= 4.10, < 4.14.9
DebianDebian Linux9.0
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-16995?
The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.
How severe is CVE-2017-16995?
CVE-2017-16995 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 30.05% probability of exploitation in the next 30 days.
How do I fix CVE-2017-16995?
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.

Are you affected by CVE-2017-16995?

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

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Source: NVD / NIST