PT-2020-6171 · Ibm+9 · Power9+12
Published
2020-11-19
·
Updated
2023-02-03
·
CVE-2020-4788
CVSS v3.1
2.9
Low
| Vector | AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors
IBM Power9 processors
Description
The issue is related to speculation on incompletely validated data, which could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. This is a problem of information disclosure.
Recommendations
For IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors, consider restricting access to sensitive data to minimize the risk of exploitation.
For IBM Power9 processors, as a temporary workaround, consider disabling speculative execution on incompletely validated data until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Information Disclosure
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Weakness Enumeration
Related Identifiers
Affected Products
Aix
Alt Linux
Almalinux
Astra Linux
Centos
Ibm Aix
Linuxmint
Power9
Red Hat
Rocky Linux
Suse
Ubuntu
Vios