Security Bulletin
Summary
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 https://exchange.xforce.ibmcloud.com/vulnerabilities/162709 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 https://exchange.xforce.ibmcloud.com/vulnerabilities/162709 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products and Versions
· IBM QRadar 7.2 to 7.2.8 Patch 16
Remediation/Fixes
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Off
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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
23 September 2019
UID
ibm11074536