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Amazon Linux AMI: CVE-2019-9213: Security patch for kernel (ALAS-2019-1179)

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Amazon Linux AMI: CVE-2019-9213: Security patch for kernel (ALAS-2019-1179)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/05/2019
Created
04/22/2019
Added
04/01/2019
Modified
10/14/2022

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)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2019-1179
  • 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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