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Oracle Linux: (CVE-2017-6347) (Multiple Advisories): Unbreakable Enterprise kernel security update

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Oracle Linux: (CVE-2017-6347) (Multiple Advisories): Unbreakable Enterprise kernel security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
03/01/2017
Created
07/25/2018
Added
04/14/2017
Modified
08/11/2023

Description

The ip_cmsg_recv_checksum function in net/ipv4/ip_sockglue.c in the Linux kernel before 4.10.1 has incorrect expectations about skb data layout, which allows local users to cause a denial of service (buffer over-read) or possibly have unspecified other impact via crafted system calls, as demonstrated by use of the MSG_MORE flag in conjunction with loopback UDP transmission.

Solution(s)

  • oracle-linux-upgrade-dtrace-modules
  • 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

References

  • ELSA-2017-3609
  • CVE-2017-6347
  • USN-3265-1
  • USN-3265-2
  • USN-3361-1

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