Summary
USN-4628-1 provided updated Intel Processor Microcode for various processor
types. This update provides the corresponding updates for some additional
processor types.
Original advisory details:
Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine
Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running
Average Power Limit (RAPL) feature of some Intel processors allowed a side-
channel attack based on power consumption measurements. A local attacker
could possibly use this to expose sensitive information. (CVE-2020-8695)
Ezra Caltum, Joseph Nuzman, Nir Shildan and Ofir Joseff discovered that
some Intel(R) Processors did not properly remove sensitive information
before storage or transfer in some situations. A local attacker could
possibly use this to expose sensitive information. (CVE-2020-8696)
Ezra Caltum, Joseph Nuzman, Nir Shildan and Ofir Joseff discovered that
some Intel(R) Processors did not properly isolate shared resources in some
situations. A local attacker could possibly use this to expose sensitive
information. (CVE-2020-8698)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | intel-microcode | 3.20210216.0ubuntu0.18.04.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | intel-microcode | 3.20210216.0ubuntu0.20.04.1 |
Vulnerabilities 3
-
Unscored —
Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially en…
-
Unscored —
Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authentic…
-
Unscored —
Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enabl…