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Amazon Linux AMI: CVE-2017-16939: Security patch for kernel (ALAS-2018-1023)

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Amazon Linux AMI: CVE-2017-16939: Security patch for kernel (ALAS-2018-1023)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
11/24/2017
Created
07/25/2018
Added
05/31/2018
Modified
10/14/2022

Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2018-1023
  • DSA-4082
  • CVE-2017-16939
  • USN-3507-1
  • USN-3507-2
  • USN-3508-1
  • USN-3508-2
  • USN-3509-1
  • USN-3509-2
  • USN-3509-3
  • USN-3509-4
  • USN-3510-1
  • USN-3510-2
  • USN-3511-1
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