Local Information Disclosure Vulnerability in IBM Power9 Processors
CVE-2020-4788

5.1MEDIUM

Key Information:

Vendor

IBM
Status
ViOS
Aix
Vendor
CVE Published:
20 November 2020

What is CVE-2020-4788?

IBM Power9 processors running AIX 7.1, AIX 7.2, and VIOS 3.1 may allow local users to gain access to sensitive information stored in the L1 cache under specific conditions. This weakness could potentially expose critical data to unauthorized parties, highlighting the importance of timely patching and security measures. Users are advised to refer to IBM's security advisory for detailed mitigation strategies.

Affected Version(s)

AIX 7.1

AIX 7.2

VIOS 3.1

References

https://www.ibm.com/support/pages/node/6370729
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/189296
vdb-entryx_refsource_XF
http://www.openwall.com/lists/oss-security/2020/11/20/3
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.