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Security Bulletin: Linux kernel as used by IBM QRadar SIEM is vulnerable to privilege escalation(Publicly disclosed vulnerability) (CVE-2019-3896)

Security Bulletin


Linux Kernal as used by IBM QRadar SIEM is vulnerable to privilege escalation.

Vulnerability Details

CVEID: CVE-2019-3896
Description: Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a double free flaw in the idr_remove_all function in in lib/idr.c. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges or cause the system to crash.
CVSS Base Score: 7.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score: *Undefined

Affected Products and Versions

· IBM QRadar 7.2 to 7.2.8 Patch 16

Workarounds and Mitigations


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Change History

September 23rd 2019: First Publish

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location


[{"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Edition":"All Editions","Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"IBM QRadar SIEM","Business Unit":{"code":"BU008","label":"Security"},"Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
23 September 2019