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CVE-2017-11600

Status Candidate

Overview

net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message.

Related Files

Red Hat Security Advisory 2018-1965-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1965-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2017-11600, CVE-2018-3639
MD5 | 0a627951dd2983c6a29d8a8db3e5f8b3
Red Hat Security Advisory 2018-2003-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2003-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2017-11600, CVE-2018-3639
MD5 | 7b7f1730f4d54dc80e02eec13b3a435a
Kernel Live Patch Security Notice LSN-0031-1
Posted Oct 11, 2017
Authored by Benjamin M. Romer

net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message. Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).

tags | advisory, denial of service, kernel, local, tcp
systems | linux
advisories | CVE-2017-11600
MD5 | 06dff9f017da1957172af525b25cfd62
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