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CVE-2016-2143

Status Candidate

Overview

The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.

Related Files

Red Hat Security Advisory 2016-2766-01
Posted Nov 16, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2766-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: It was found that stacking a file system over procfs in the Linux kernel could lead to a kernel stack overflow due to deep nesting, as demonstrated by mounting ecryptfs over procfs and creating a recursion by mapping /proc/environ. An unprivileged, local user could potentially use this flaw to escalate their privileges on the system.

tags | advisory, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2016-1583, CVE-2016-2143
SHA-256 | cc91f5aae5acf096e58503cad4e4ced602a901542b2ae666e8d8ade12d687f24
Red Hat Security Advisory 2016-1539-01
Posted Aug 2, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1539-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. These updated kernel packages include several security issues and numerous bug fixes, some of which you can see below. Space precludes documenting all of these bug fixes in this advisory.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2015-8660, CVE-2016-2143, CVE-2016-4470
SHA-256 | a0ebfcaea69e03370b97678ac5b2af09385693a06588a694af826744d11bfd62
Debian Security Advisory 3607-1
Posted Jun 28, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3607-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2015-7515, CVE-2016-0821, CVE-2016-1237, CVE-2016-1583, CVE-2016-2117, CVE-2016-2143, CVE-2016-2184, CVE-2016-2185, CVE-2016-2186, CVE-2016-2187, CVE-2016-3070, CVE-2016-3134, CVE-2016-3136, CVE-2016-3137, CVE-2016-3138, CVE-2016-3140, CVE-2016-3156, CVE-2016-3157, CVE-2016-3672, CVE-2016-3951, CVE-2016-3955, CVE-2016-3961, CVE-2016-4470, CVE-2016-4482, CVE-2016-4485, CVE-2016-4486, CVE-2016-4565, CVE-2016-4569
SHA-256 | 0d223b304d17753a1ce52094557c77094582be1a5339c862d34ee91a630a21d9
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