CVE-2018-20855

CVSS V2 Low 2.1 CVSS V3 Low 3.3
Description
An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.
Overview
  • CVE ID
  • CVE-2018-20855
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-07-26T05:15:10
  • Last Modified Date
  • 2019-11-20T15:31:14
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.18.7
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* 1 OR 9.5
cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* 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
  • 3.1
  • Vector String
  • CVSS:3.1/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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00 Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00 Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7 Mailing List Release Notes Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html Third Party Advisory
https://security.netapp.com/advisory/ntap-20190905-0002/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20855
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20855
History
Created Old Value New Value Data Type Notes
2022-05-10 16:59:02 Added to TrackCVE
2022-12-03 23:58:10 2019-07-26T05:15Z 2019-07-26T05:15:10 CVE Published Date updated
2022-12-03 23:58:10 2019-11-20T15:31:14 CVE Modified Date updated
2022-12-03 23:58:10 Analyzed Vulnerability Status updated