Security Bulletin
Summary
IBM Security Guardium has fixed this vulnerability.
Vulnerability Details
CVEID: CVE-2021-3715
DESCRIPTION: Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free in route4_change() in net/sched/cls_route.c. By sending a specially-crafted request, an attacker could exploit this vulnerability to escalate privileges.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208836 for the current score.
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
| Affected Product(s) | Version(s) |
| IBM Security Guardium | 11.3 |
| IBM Security Guardium | 11.4 |
Remediation/Fixes
IBM encourages customers to update their systems promptly.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
11 Oct 2022: Initial Publication
01 Nov 2022: Second Publication
07 March 2023: Third Publication
04 April 2023: Fourth Publication
*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:
04 April 2023
UID
ibm16828569