What is CVE-2017-17864?

CVE-2017-17864 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2017-17864 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-17864?

CVE-2017-17864 has a CVSS score of 3.3 out of 10, rated Low severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Is there a patch available for CVE-2017-17864?

No patch is currently available for CVE-2017-17864. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-17864 actively exploited?

CVE-2017-17864 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2017-17864

Low

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."

Package Linux Kernel

Published 2017-12-27

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

3.3

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Vector string

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness type

CWE-200

CVE-2017-17864 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-17864 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Securityfocus
http://www.securityfocus.com/bid/102320

Third Party Advisory VDB Entry
Securitytracker
http://www.securitytracker.com/id/1040059

Third Party Advisory VDB Entry
Debian Security
https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0

Third Party Advisory
Debian Security
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
Ubuntu Security
https://usn.ubuntu.com/usn/usn-3523-2/
Debian Security
https://www.debian.org/security/2017/dsa-4073

Third Party Advisory

Details

CVE ID CVE-2017-17864

Severity Low

CVSS score 3.3 / 10

CVSS version 3.0

Published 2017-12-27

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-17864?

CVE-2017-17864 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2017-17864 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-17864?

CVE-2017-17864 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Is there a patch available for CVE-2017-17864?

No patch is currently available for CVE-2017-17864. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-17864 actively exploited?

No — CVE-2017-17864 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →