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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
05/31/2018

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

  • amazon-linux-upgrade-kernel

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