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oraclelinuxOracleLinuxELSA-2019-4867
HistoryDec 04, 2019 - 12:00 a.m.

microcode_ctl security update

2019-12-0400:00:00
linux.oracle.com
67

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

[2:2.1-53.3.0.4]

  • set early_microcode=‘no’ in virtualized guests to avoid early load bugs [Orabug: 30618736]
    [2:2.1-53.3.0.1]
  • do not late load prior to 3.10.0
  • ensure late loading fixes are present on 4.1.12-* and 4.14.35-*
  • enable early loading on 06-4f-01
  • update 06-55-04 to 0x2000065
  • update 06-55-07 to 0x500002c

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C