Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-15902

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
04/09/2019
Last modified:
17/10/2019

Description

A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.60 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.60
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:C/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): None
Availability (A): None

Base Score 2.0
4.70
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.4 (including) 4.4.190 (including)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.9 (including) 4.9.190 (including)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.14 (including) 4.14.141 (including)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.19 (including) 4.19.69 (including)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.2 (including) 5.2.11 (including)
cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:service_processor:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools