7.0High KEV

CVE-2016-5195Linux Kernel Race Condition Vulnerability

canonical ubuntu linux; linux linux kernel; redhat enterprise linux; redhat enterprise linux aus Published: 2016-11-11 00:00 (9 years ago)

Known exploited — Linux Kernel Race Condition Vulnerability

CISA confirmed this vulnerability is used in real attacks on 03.03.2022. Remediation deadline for US federal agencies: 24.03.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-5195

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."

Weakness (CWE): CWE-362

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
canonical	ubuntu linux	12.04
debian	debian linux	7.0
fedoraproject	fedora	23
linux	linux kernel	2.6.22 – < 3.2.83
netapp	cloud backup	—
netapp	hci storage nodes	—
netapp	oncommand balance	—
netapp	oncommand performance manager	—
netapp	oncommand unified manager for clustered data ontap	—
netapp	ontap select deploy administration utility	—
netapp	snapprotect	—
netapp	solidfire	—
paloaltonetworks	pan-os	5.1 – < 7.0.14
redhat	enterprise linux	5
redhat	enterprise linux aus	6.2
redhat	enterprise linux eus	6.6
redhat	enterprise linux long life	5.6
redhat	enterprise linux tus	6.5

References and patches

RHSA-2016:2107 vendor-advisoryThird Party Advisory
40616 exploitExploitThird Party AdvisoryVDB Entry
RHSA-2017:0372 vendor-advisoryBroken LinkThird Party Advisory
https://bto.bluecoat.com/security-advisory/sa134 Permissions RequiredThird Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html PatchThird Party Advisory
40839 exploitExploitThird Party AdvisoryVDB Entry
https://dirtycow.ninja Third Party Advisory
40847 exploitThird Party AdvisoryVDB Entry
RHSA-2016:2118 vendor-advisoryThird Party Advisory
RHSA-2016:2128 vendor-advisoryThird Party Advisory
https://source.android.com/security/bulletin/2016-12-01.html Third Party Advisory
RHSA-2016:2120 vendor-advisoryThird Party Advisory
[oss-security] 20161026 Re: CVE-2016-5195 "Dirty COW" Linux kernel privilege escalation vulnerability mailing-listMailing ListThird Party Advisory
RHSA-2016:2133 vendor-advisoryThird Party Advisory
RHSA-2016:2098 vendor-advisoryThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us Third Party Advisory
VU#243144 third-party-advisoryThird Party AdvisoryUS Government Resource
https://bugzilla.suse.com/show_bug.cgi?id=1004418 Issue Tracking
1037078 vdb-entryBroken LinkThird Party AdvisoryVDB Entry
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us Third Party Advisory
https://security.netapp.com/advisory/ntap-20161025-0001/ Third Party Advisory
93793 vdb-entryBroken LinkThird Party AdvisoryVDB Entry
RHSA-2016:2127 vendor-advisoryThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2016-5195 Issue TrackingThird Party Advisory
https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us Third Party Advisory
https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 Issue TrackingPatch
https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerabili… Broken LinkThird Party Advisory
https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails ExploitThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1384344 ExploitIssue Tracking
https://access.redhat.com/security/vulnerabilities/2706661 Third Party Advisory
RHSA-2016:2106 vendor-advisoryThird Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 Issue TrackingPatchVendor Advisory
40611 exploitExploitThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/cve-2016-5195 Third Party Advisory
https://source.android.com/security/bulletin/2016-11-01.html Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541 Third Party Advisory
RHSA-2016:2124 vendor-advisoryThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3 Release Notes
RHSA-2016:2105 vendor-advisoryThird Party Advisory
RHSA-2016:2126 vendor-advisoryThird Party Advisory
RHSA-2016:2132 vendor-advisoryThird Party Advisory
RHSA-2016:2110 vendor-advisoryThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463 Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10176 Broken LinkThird Party Advisory
SUSE-SU-2016:2635 vendor-advisoryMailing List
SUSE-SU-2016:2659 vendor-advisoryMailing List
[oss-security] 20161027 CVE-2016-5195 test case mailing-listMailing ListThird Party Advisory
USN-3106-2 vendor-advisoryThird Party Advisory
openSUSE-SU-2016:2583 vendor-advisoryMailing List
http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html ExploitThird Party AdvisoryVDB Entry
SUSE-SU-2016:2633 vendor-advisoryMailing List
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en Third Party Advisory
SUSE-SU-2016:2638 vendor-advisoryMailing List
openSUSE-SU-2016:2584 vendor-advisoryMailing List
http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html Third Party AdvisoryVDB Entry
SUSE-SU-2016:2658 vendor-advisoryMailing List

CPE matches (NVD) (41)

cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 2.6.22 < 3.2.83
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.3 < 3.4.113
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.5 < 3.10.104
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.11 < 3.12.66
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.13 < 3.16.38
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.17 < 3.18.44
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 3.19 < 4.1.35
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.2 < 4.4.26
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.5 < 4.7.9
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.8 < 4.8.3
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:6.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:6.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:6.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:6.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:6.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_long_life:5.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_long_life:5.9:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_tus:6.5:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 5.1 < 7.0.14
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 7.1.0 < 7.1.8
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:hci_storage_nodes:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_unified_manager_for_clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*

CVSS score

7.0High

Source: CISA-ADP · CVSS 3.1

Attack vector: Local
Attack complexity: High
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

All scores (4)

CISA-ADP	CVSS 3.1	7.0High
nvd	CVSS 3.1	7.0High
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	7.0High
nvd	CVSS 2.0	7.2High

EPSS (chance of exploitation in 30 days)

83.52%

higher than 100% of all CVEs

CISA assessment (SSVC)

Exploitation: active
Automatable: no
Technical impact: total

Timeline

ID reserved2016-05-31
Published2016-11-11 00:00
Reached IP-DB2026-10-24 23:34
Added to KEV2022-03-03
Last updated2026-06-17 03:48

Assigned by (CNA): Chrome
NVD status: Analyzed

View at source: CVE.org · NVD

Get told when these products get a new vulnerability

Turn on email alerts

Free · with an account · switch off any time

Recent CVEs in the same product — Debian

9.2Critical

CVE-2026-111497 KEV 16 days ago

Out-of-Bounds Write in Google Brotli Decoder

Google Brotli; Siemens Cloud Connector Configurator; Siemens Common Configurator (CC on IEM); Siemens Common Configurator on Device (CC on Edge)

A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause …

83%EPSS

8.4High

CVE-2026-77118 2 months ago

Out-of-bounds write in GraphicsMagick PCD decoder

GraphicsMagick Group GraphicsMagick; Debian graphicsmagick; Fedora Project GraphicsMagick

A heap out-of-bounds write exists in the Photo CD (PCD) decoder of GraphicsMagick. In DecodeImage() (coders/pcd.c), the Huffman delta loop advances its output pointer with q++ after every decoded delta and never checks it against the end of the heap-allocated…

6.0Medium

CVE-2026-12996 3 months ago

OpenVPN OpenVPN

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry

5.6Medium

CVE-2026-14355 4 months ago

ext/openssl: Memory corruption in openssl_encrypt with AES-WRAP-PAD

php php

In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRAP-PAD algorithm implementation in OpenSSL extension contains a buffer allocation flaw. The output buffer for the AES key-wrap-with-padding operation …

3.7Low

CVE-2026-56968 4 months ago

GNU GNU SASL

GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server.

7.5High

CVE-2026-49975 5 months ago

Apache HTTP Server: mod_http2 denial of service

Apache Software Foundation Apache HTTP Server; Red Hat JBoss Core Services for RHEL 8; Red Hat JBoss Core Services on RHEL 7; Red Hat Red Hat Enterprise Linux 10

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.

33%EPSS