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cnvd-2016-09672
Vulnerability from cnvd
Title
Linux kernel本地权限提升漏洞（Dirty COW）
Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。
Linux Kernel本地权限提升漏洞，低权限的本地攻击者利用漏洞可获取其他只读内存映射的写权限，进而可导致权限提升执行进一步操作。
Severity
中
VLAI Severity ?
Patch Name
Linux kernel本地权限提升漏洞（Dirty COW）的补丁
Patch Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。
Linux Kernel本地权限提升漏洞，低权限的本地攻击者利用漏洞可获取其他只读内存映射的写权限，进而可导致权限提升执行进一步操作。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
厂商发布了升级程序修复该漏洞，请及时关注更新： https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
Reference
https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails
Impacted products
| Name | Linux kernel >=2.6.22 |
|---|
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CVE-2016-5195 (GCVE-0-2016-5195)
Vulnerability from cvelistv5
Published
2016-11-10 21:00
Modified
2025-10-21 23:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
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."
References
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"value": "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.\""
}
]
},
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"url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html"
},
{
"name": "20170331 [security bulletin] HPESBGN03722 rev.1 - HPE Operations Agent, Local Escalation of Privilege",
"refsource": "BUGTRAQ",
"url": "http://www.securityfocus.com/archive/1/archive/1/540344/100/0/threaded"
},
{
"name": "20161020 [CVE-2016-5195] \"Dirty COW\" Linux privilege escalation vulnerability",
"refsource": "BUGTRAQ",
"url": "http://www.securityfocus.com/archive/1/archive/1/539611/100/0/threaded"
},
{
"name": "USN-3104-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-3104-1"
},
{
"name": "20170615 [security bulletin] HPESBGN03761 rev.1 - HPE Virtualization Performance Viewer (VPV)/ Cloud Optimizer using Linux, Remote Escalation of Privilege",
"refsource": "BUGTRAQ",
"url": "http://www.securityfocus.com/archive/1/540736/100/0/threaded"
},
{
"name": "SUSE-SU-2016:2593",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html"
},
{
"name": "SUSE-SU-2016:3304",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html"
},
{
"name": "[oss-security] 20161021 CVE-2016-5195 \"Dirty COW\" Linux kernel privilege escalation vulnerability",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2016/10/21/1"
},
{
"name": "20170310 [security bulletin] HPESBGN03707 rev.1 - HPE ConvergedSystem 700 2.0 VMware Kit, Remote Increase of Privilege",
"refsource": "BUGTRAQ",
"url": "http://www.securityfocus.com/archive/1/540252/100/0/threaded"
},
{
"name": "SUSE-SU-2016:2585",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html"
},
{
"name": "openSUSE-SU-2016:2649",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html"
},
{
"name": "https://security.paloaltonetworks.com/CVE-2016-5195",
"refsource": "CONFIRM",
"url": "https://security.paloaltonetworks.com/CVE-2016-5195"
},
{
"name": "openSUSE-SU-2020:0554",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html"
},
{
"name": "https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026",
"refsource": "MISC",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026"
},
{
"name": "[oss-security] 20220307 CVE-2022-0847: Linux kernel: overwriting read-only files",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/03/07/1"
},
{
"name": "[oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/2"
},
{
"name": "[oss-security] 20220808 CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/1"
},
{
"name": "[oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/7"
},
{
"name": "[oss-security] 20220808 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/8"
},
{
"name": "[oss-security] 20220809 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/09/4"
},
{
"name": "[oss-security] 20220815 Re: CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissions",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/15/1"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2016-5195",
"datePublished": "2016-11-10T21:00:00.000Z",
"dateReserved": "2016-05-31T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:55:48.198Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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