CVE-2016-5195 - Vulncode-DB

CVE-2016-5195 (NVD)

2016-11-10

Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."

Products	Ubuntu_linux, Debian_linux, Linux_kernel, Enterprise_linux, Enterprise_linux_aus, Enterprise_linux_eus, Enterprise_linux_long_life, Enterprise_linux_tus
Type	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)
First patch	https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
Patches	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
Relevant file/s	• ./include/linux/mm.h (modified, +1) • ./mm/gup.c (modified, +12, -2)
Links	• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.html • https://kc.mcafee.com/corporate/index?page=content&id=SB10176 • https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026 More/Less (119) • http://rhn.redhat.com/errata/RHSA-2016-2124.html • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3APRVDVPDBXLH4DC5UKZVCR742MJIM3/ • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.html • http://www.securityfocus.com/archive/1/archive/1/539611/100/0/threaded • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.html • http://www.ubuntu.com/usn/USN-3107-2 • http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html • https://www.exploit-db.com/exploits/40611/ • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-vcsd • http://www.openwall.com/lists/oss-security/2022/08/08/7 • http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html • https://dirtycow.ninja • https://access.redhat.com/errata/RHSA-2017:0372 • http://rhn.redhat.com/errata/RHSA-2016-2128.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.html • http://www.ubuntu.com/usn/USN-3105-2 • http://www.ubuntu.com/usn/USN-3106-4 • http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E7M62SRP6CZLJ4ZXCRZKV4WPLQBSR7DT/ • http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html • https://bugzilla.redhat.com/show_bug.cgi?id=1384344 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.html • https://access.redhat.com/security/cve/cve-2016-5195 • https://www.exploit-db.com/exploits/40616/ • http://www.ubuntu.com/usn/USN-3106-2 • https://www.kb.cert.org/vuls/id/243144 • http://www.openwall.com/lists/oss-security/2022/08/15/1 • https://security.netapp.com/advisory/ntap-20161025-0001/ • http://www.debian.org/security/2016/dsa-3696 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.html • https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us • http://rhn.redhat.com/errata/RHSA-2016-2106.html • http://www.openwall.com/lists/oss-security/2022/08/09/4 • https://www.exploit-db.com/exploits/40847/ • http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.html • http://www.securityfocus.com/archive/1/archive/1/540344/100/0/threaded • http://www.openwall.com/lists/oss-security/2016/10/30/1 • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770 • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWMDLBWMGZKFHMRJ7QUQVCERP5QHDB6W/ • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.html • http://www.ubuntu.com/usn/USN-3104-2 • http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html • http://rhn.redhat.com/errata/RHSA-2016-2132.html • https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html • https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541 • http://www.openwall.com/lists/oss-security/2016/11/03/7 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html • http://www.openwall.com/lists/oss-security/2022/08/08/1 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html • http://www.securityfocus.com/archive/1/539611/100/0/threaded • http://www.ubuntu.com/usn/USN-3104-1 • https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us • http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-linux • https://www.exploit-db.com/exploits/40839/ • http://www.securityfocus.com/archive/1/archive/1/540736/100/0/threaded • https://bto.bluecoat.com/security-advisory/sa134 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.html • http://www.ubuntu.com/usn/USN-3106-3 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.html • http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html • http://www.ubuntu.com/usn/USN-3106-1 • http://rhn.redhat.com/errata/RHSA-2016-2127.html • http://rhn.redhat.com/errata/RHSA-2016-2118.html • http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html • https://security.paloaltonetworks.com/CVE-2016-5195 • http://www.openwall.com/lists/oss-security/2016/10/21/1 • http://www.openwall.com/lists/oss-security/2022/03/07/1 • http://www.securityfocus.com/archive/1/540344/100/0/threaded • http://www.openwall.com/lists/oss-security/2016/10/27/13 • http://www.openwall.com/lists/oss-security/2022/08/08/2 • https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463 • http://rhn.redhat.com/errata/RHSA-2016-2098.html • http://rhn.redhat.com/errata/RHSA-2016-2126.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.html • https://bugzilla.suse.com/show_bug.cgi?id=1004418 • http://rhn.redhat.com/errata/RHSA-2016-2105.html • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807 • https://source.android.com/security/bulletin/2016-11-01.html • http://www.openwall.com/lists/oss-security/2022/08/08/8 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html • https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.html • https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us • https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.html • https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05352241 • http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en • http://www.securityfocus.com/bid/93793 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.html • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.html • http://rhn.redhat.com/errata/RHSA-2016-2110.html • https://access.redhat.com/security/vulnerabilities/2706661 • http://fortiguard.com/advisory/FG-IR-16-063 • http://www.ubuntu.com/usn/USN-3105-1 • http://rhn.redhat.com/errata/RHSA-2016-2133.html • http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html • http://www.securityfocus.com/archive/1/archive/1/540252/100/0/threaded • http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3 • http://www.securitytracker.com/id/1037078 • http://www.securityfocus.com/archive/1/540252/100/0/threaded • https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes • http://www.ubuntu.com/usn/USN-3107-1 • http://www.openwall.com/lists/oss-security/2016/10/26/7 • http://rhn.redhat.com/errata/RHSA-2016-2120.html • https://source.android.com/security/bulletin/2016-12-01.html • https://security-tracker.debian.org/tracker/CVE-2016-5195 • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774 • https://kc.mcafee.com/corporate/index?page=content&id=SB10177 • http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.html • http://www.securityfocus.com/archive/1/540736/100/0/threaded • https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241 • http://rhn.redhat.com/errata/RHSA-2016-2107.html • https://kc.mcafee.com/corporate/index?page=content&id=SB10222 • https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs

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