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oraclelinuxOracleLinuxELSA-2021-9009
HistoryJan 12, 2021 - 12:00 a.m.

Unbreakable Enterprise kernel security update

2021-01-1200:00:00
linux.oracle.com
23

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

[4.1.12-124.46.4.1]

  • target: fix XCOPY NAA identifier lookup (Mike Christie) [Orabug: 32248041] {CVE-2020-28374}
    [4.1.12-124.46.4]
  • xen/events: block rogue events for some time (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: defer eoi in case of excessive number of events (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: use a common cpu hotplug hook for event channels (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: switch user event channels to lateeoi model (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/pciback: use lateeoi irq binding (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/scsiback: use lateeoi irq binding (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/netback: use lateeoi irq binding (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/blkback: use lateeoi irq binding (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: add a new ‘late EOI’ evtchn framework (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: fix race in evtchn_fifo_unmask() (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen/events: add a proper barrier to 2-level uevent unmasking (Juergen Gross) [Orabug: 31984335] {CVE-2020-27673}
  • xen-blkback: set ring->xenblkd to NULL after kthread_stop() (Pawel Wieczorkiewicz) [Orabug: 32223358] {CVE-2020-29569}

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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