CVE-2017-17864

Description

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

Category

3.3
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory debian.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security third party advisory
https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0 third party advisory
http://www.securitytracker.com/id/1040059 vdb entry third party advisory
http://www.securityfocus.com/bid/102320 vdb entry third party advisory
https://www.debian.org/security/2017/dsa-4073 third party advisory vendor advisory
https://usn.ubuntu.com/usn/usn-3523-2/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-17864?
CVE-2017-17864 has been scored as a low severity vulnerability.
How to fix CVE-2017-17864?
To fix CVE-2017-17864, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17864 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-17864 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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