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Huawei EulerOS: CVE-2017-1000111: kernel security update

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Huawei EulerOS: CVE-2017-1000111: kernel security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
10/04/2017
Created
07/25/2018
Added
11/30/2017
Modified
01/18/2018

Description

Linux kernel: heap out-of-bounds in AF_PACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes socket state may race with safety checks in packet_set_ring. Previously with PACKET_VERSION. This time with PACKET_RESERVE. The solution is similar: lock the socket for the update. This issue may be exploitable, we did not investigate further. As this issue affects PF_PACKET sockets, it requires CAP_NET_RAW in the process namespace. But note that with user namespaces enabled, any process can create a namespace in which it has CAP_NET_RAW.

Solution(s)

  • huawei-euleros-2_0_sp1-upgrade-kernel
  • huawei-euleros-2_0_sp1-upgrade-kernel-debug
  • huawei-euleros-2_0_sp1-upgrade-kernel-debuginfo
  • huawei-euleros-2_0_sp1-upgrade-kernel-debuginfo-common-x86_64
  • huawei-euleros-2_0_sp1-upgrade-kernel-devel
  • huawei-euleros-2_0_sp1-upgrade-kernel-headers
  • huawei-euleros-2_0_sp1-upgrade-kernel-tools
  • huawei-euleros-2_0_sp1-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp1-upgrade-perf
  • huawei-euleros-2_0_sp1-upgrade-python-perf

References

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