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.”
Recent assessments:
gwillcox-r7 at November 22, 2020 3:23am UTC reported:
Reported as exploited in the wild as part of Google’s 2020 0day vulnerability spreadsheet they made available at <https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit#gid=1869060786>. Original tweet announcing this spreadsheet with the 2020 findings can be found at <https://twitter.com/maddiestone/status/1329837665378725888>
Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
rhn.redhat.com/errata/RHSA-2016-2098.html
rhn.redhat.com/errata/RHSA-2016-2105.html
rhn.redhat.com/errata/RHSA-2016-2106.html
rhn.redhat.com/errata/RHSA-2016-2107.html
rhn.redhat.com/errata/RHSA-2016-2110.html
rhn.redhat.com/errata/RHSA-2016-2118.html
rhn.redhat.com/errata/RHSA-2016-2120.html
rhn.redhat.com/errata/RHSA-2016-2124.html
rhn.redhat.com/errata/RHSA-2016-2126.html
rhn.redhat.com/errata/RHSA-2016-2127.html
rhn.redhat.com/errata/RHSA-2016-2128.html
rhn.redhat.com/errata/RHSA-2016-2132.html
rhn.redhat.com/errata/RHSA-2016-2133.html
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3
www.openwall.com/lists/oss-security/2016/10/26/7
www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
www.securityfocus.com/bid/93793
www.securitytracker.com/id/1037078
access.redhat.com/errata/RHSA-2017:0372
access.redhat.com/security/cve/cve-2016-5195
access.redhat.com/security/vulnerabilities/2706661
bto.bluecoat.com/security-advisory/sa134
bugzilla.redhat.com/show_bug.cgi?id=1384344
bugzilla.suse.com/show_bug.cgi?id=1004418
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5195
dirtycow.ninja
github.com/dirtycow/dirtycow.github.io/wiki/PoCs
github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails
github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241
help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes
kc.mcafee.com/corporate/index?page=content&id=SB10176
people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html
security-tracker.debian.org/tracker/CVE-2016-5195
security.netapp.com/advisory/ntap-20161025-0001
security.paloaltonetworks.com/CVE-2016-5195
source.android.com/security/bulletin/2016-11-01.html
source.android.com/security/bulletin/2016-12-01.html
www.exploit-db.com/exploits/40611
www.exploit-db.com/exploits/40616
www.exploit-db.com/exploits/40839
www.exploit-db.com/exploits/40847
www.kb.cert.org/vuls/id/243144