CVE-2017-17864

CVSS V2 Low 2.1 CVSS V3 Low 3.3
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."
Overview
  • CVE ID
  • CVE-2017-17864
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-12-27T17:08:20
  • Last Modified Date
  • 2018-01-13T02:29:13
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.14.8
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 3.3
  • Base Severity
  • LOW
  • Exploitability Score
  • 1.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.debian.org/security/2017/dsa-4073 Third Party Advisory
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 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102320 Third Party Advisory VDB Entry
https://usn.ubuntu.com/usn/usn-3523-2/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-17864
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17864
History
Created Old Value New Value Data Type Notes
2022-05-10 18:50:09 Added to TrackCVE
2022-12-03 00:23:29 2017-12-27T17:08Z 2017-12-27T17:08:20 CVE Published Date updated
2022-12-03 00:23:29 2018-01-13T02:29:13 CVE Modified Date updated
2022-12-03 00:23:29 Modified Vulnerability Status updated