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CVE-2016-5195
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…
High7.0Known exploitedEPSS 83.5%
- Published
- Updated
- Reserved
- Assigned by
- Chrome
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."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Linux Kernel Race Condition Vulnerability.
- Added
- 3 Mar 2022
- Fix due (US federal)
- 24 Mar 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 83.5% · top 0.3% of all CVEs (2 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
n/a
- affected n/a
References (128)
- RHSA-2016:2107 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 40616 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- RHSA-2017:0372 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bto.bluecoat.com/security-advisory/sa134 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 40839 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://dirtycow.ninja (opens in a new tab)x_refsource_MISCx_transferred
- 40847 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- RHSA-2016:2118 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2128 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://source.android.com/security/bulletin/2016-12-01.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2120 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20161026 Re: CVE-2016-5195 "Dirty COW" Linux kernel privilege escalation vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2016:2133 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2098 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#243144 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=1004418 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1037078 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20161025-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 93793 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2016:2127 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security-tracker.debian.org/tracker/CVE-2016-5195 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs (opens in a new tab)x_refsource_MISCx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1384344 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://access.redhat.com/security/vulnerabilities/2706661 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2106 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 40611 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://access.redhat.com/security/cve/cve-2016-5195 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://source.android.com/security/bulletin/2016-11-01.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2124 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2105 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2126 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2132 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2110 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10176 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2635 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:2659 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20161027 CVE-2016-5195 test case (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3106-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2016:2583 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2633 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2638 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2016:2584 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2658 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:2631 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3106-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05352241 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2655 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2016-c3558808cd (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 20170615 [security bulletin] HPESBGN03761 rev.1 - HPE Virtualization Performance Viewer (VPV)/ Cloud Optimizer using Linux, Remote Escalation of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SUSE-SU-2016:2637 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:2596 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:2634 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20181107 Cisco TelePresence Video Communication Server Test Validation Script Issue (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 20161026 Vulnerability in Linux Kernel Affecting Cisco Products: October 2016 (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10177 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2657 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:2614 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3105-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3107-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3107-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 20170331 [security bulletin] HPESBGN03722 rev.1 - HPE Operations Agent, Local Escalation of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- openSUSE-SU-2016:2625 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3106-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3106-4 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20161030 Re: CVE-2016-5195 test case (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2673 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3104-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://fortiguard.com/advisory/FG-IR-16-063 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2629 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20161020 [CVE-2016-5195] "Dirty COW" Linux privilege escalation vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2632 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20170310 [security bulletin] HPESBGN03707 rev.1 - HPE ConvergedSystem 700 2.0 VMware Kit, Remote Increase of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- USN-3105-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2630 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2016-db4b75b352 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2016-c8a0c7eece (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [oss-security] 20161103 Re: CVE-2016-5195 "Dirty COW" Linux kernel privilege escalation vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SUSE-SU-2016:2636 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:3069 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10222 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3696 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:2592 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20170331 [security bulletin] HPESBGN03722 rev.1 - HPE Operations Agent, Local Escalation of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20161020 [CVE-2016-5195] "Dirty COW" Linux privilege escalation vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- USN-3104-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 20170615 [security bulletin] HPESBGN03761 rev.1 - HPE Virtualization Performance Viewer (VPV)/ Cloud Optimizer using Linux, Remote Escalation of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SUSE-SU-2016:2593 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:3304 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20161021 CVE-2016-5195 "Dirty COW" Linux kernel privilege escalation vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 20170310 [security bulletin] HPESBGN03707 rev.1 - HPE ConvergedSystem 700 2.0 VMware Kit, Remote Increase of Privilege (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SUSE-SU-2016:2585 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2016:2649 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://security.paloaltonetworks.com/CVE-2016-5195 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2020:0554 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026 (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20220307 CVE-2022-0847: Linux kernel: overwriting read-only files (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220808 CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220809 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220815 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://seclists.org/fulldisclosure/2024/Aug/35 (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-5195 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .