CVE-2016-5195
Published: November 10, 2016Last modified: April 24, 2024
Description
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."
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Not affected (6.1.33-r0) |
References
- http://fortiguard.com/advisory/FG-IR-16-063
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
- http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html
- http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html
- http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html
- http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html
- http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html
- http://rhn.redhat.com/errata/RHSA-2016-2098.html
- http://rhn.redhat.com/errata/RHSA-2016-2105.html
- http://rhn.redhat.com/errata/RHSA-2016-2106.html
- http://rhn.redhat.com/errata/RHSA-2016-2107.html
- http://rhn.redhat.com/errata/RHSA-2016-2110.html
- http://rhn.redhat.com/errata/RHSA-2016-2118.html
- http://rhn.redhat.com/errata/RHSA-2016-2120.html
- http://rhn.redhat.com/errata/RHSA-2016-2124.html
- http://rhn.redhat.com/errata/RHSA-2016-2126.html
- http://rhn.redhat.com/errata/RHSA-2016-2127.html
- http://rhn.redhat.com/errata/RHSA-2016-2128.html
- http://rhn.redhat.com/errata/RHSA-2016-2132.html
- http://rhn.redhat.com/errata/RHSA-2016-2133.html
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-linux
- http://www.debian.org/security/2016/dsa-3696
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3
- http://www.openwall.com/lists/oss-security/2016/10/21/1
- http://www.openwall.com/lists/oss-security/2016/10/26/7
- http://www.openwall.com/lists/oss-security/2016/10/27/13
- http://www.openwall.com/lists/oss-security/2016/10/30/1
- http://www.openwall.com/lists/oss-security/2016/11/03/7
- http://www.openwall.com/lists/oss-security/2022/03/07/1
- http://www.openwall.com/lists/oss-security/2022/08/08/1
- http://www.openwall.com/lists/oss-security/2022/08/08/2
- http://www.openwall.com/lists/oss-security/2022/08/08/7
- http://www.openwall.com/lists/oss-security/2022/08/08/8
- http://www.openwall.com/lists/oss-security/2022/08/09/4
- http://www.openwall.com/lists/oss-security/2022/08/15/1
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.securityfocus.com/archive/1/539611/100/0/threaded
- http://www.securityfocus.com/archive/1/540252/100/0/threaded
- http://www.securityfocus.com/archive/1/540344/100/0/threaded
- http://www.securityfocus.com/archive/1/540736/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/539611/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540252/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540344/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540736/100/0/threaded
- http://www.securityfocus.com/bid/93793
- http://www.securitytracker.com/id/1037078
- http://www.ubuntu.com/usn/USN-3104-1
- http://www.ubuntu.com/usn/USN-3104-2
- http://www.ubuntu.com/usn/USN-3105-1
- http://www.ubuntu.com/usn/USN-3105-2
- http://www.ubuntu.com/usn/USN-3106-1
- http://www.ubuntu.com/usn/USN-3106-2
- http://www.ubuntu.com/usn/USN-3106-3
- http://www.ubuntu.com/usn/USN-3106-4
- http://www.ubuntu.com/usn/USN-3107-1
- http://www.ubuntu.com/usn/USN-3107-2
- https://access.redhat.com/errata/RHSA-2017:0372
- https://access.redhat.com/security/cve/cve-2016-5195
- https://access.redhat.com/security/vulnerabilities/2706661
- https://bto.bluecoat.com/security-advisory/sa134
- https://bugzilla.redhat.com/show_bug.cgi?id=1384344
- https://bugzilla.suse.com/show_bug.cgi?id=1004418
- https://dirtycow.ninja
- https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs
- https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails
- https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05352241
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241
- https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes
- https://kc.mcafee.com/corporate/index?page=content&id=SB10176
- https://kc.mcafee.com/corporate/index?page=content&id=SB10177
- https://kc.mcafee.com/corporate/index?page=content&id=SB10222
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E7M62SRP6CZLJ4ZXCRZKV4WPLQBSR7DT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWMDLBWMGZKFHMRJ7QUQVCERP5QHDB6W/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3APRVDVPDBXLH4DC5UKZVCR742MJIM3/
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html
- https://security-tracker.debian.org/tracker/CVE-2016-5195
- https://security.netapp.com/advisory/ntap-20161025-0001/
- https://security.paloaltonetworks.com/CVE-2016-5195
- https://source.android.com/security/bulletin/2016-11-01.html
- https://source.android.com/security/bulletin/2016-12-01.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-vcsd
- https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026
- https://www.exploit-db.com/exploits/40611/
- https://www.exploit-db.com/exploits/40616/
- https://www.exploit-db.com/exploits/40839/
- https://www.exploit-db.com/exploits/40847/
- https://www.kb.cert.org/vuls/id/243144