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Oracle Linux: (CVE-2019-9213) (Multiple Advisories): Unbreakable Enterprise kernel security update

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Oracle Linux: (CVE-2019-9213) (Multiple Advisories): Unbreakable Enterprise kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/05/2019
Created
07/23/2020
Added
07/21/2020
Modified
11/23/2022

Description

In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.

Solution(s)

  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-firmware
  • oracle-linux-upgrade-kernel-uek-headers
  • oracle-linux-upgrade-kernel-uek-tools
  • oracle-linux-upgrade-kernel-uek-tools-libs
  • oracle-linux-upgrade-kernel-uek-tools-libs-devel
  • oracle-linux-upgrade-perf
  • oracle-linux-upgrade-python-perf

References

  • ELSA-2022-9761
  • USN-3930-1
  • USN-3930-2
  • USN-3931-1
  • USN-3931-2
  • USN-3932-1
  • USN-3932-2
  • USN-3933-1
  • USN-3933-2
  • CVE-2019-9213
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