Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-04-25. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-05-16. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / kernel
Default status: Not specified
- affected: Linux Kernel 5.17 rc6
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://bugzilla.redhat.com/show_bug.cgi?id=2060795
- https://dirtypipe.cm4all.com/
- http://packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Escalation.html
- http://packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html
- http://packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html
- https://www.suse.com/support/kb/doc/?id=000020603
- https://security.netapp.com/advisory/ntap-20220325-0005/
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015
- http://packetstormsecurity.com/files/176534/Linux-4.20-KTLS-Read-Only-Write.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0847
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.92795,
"percentile": 0.99832
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.92795,
"percentile": 0.9983
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.92795,
"percentile": 0.9983
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.92795,
"percentile": 0.9983
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.92795,
"percentile": 0.9983
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.92795,
"percentile": 0.9983
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.92795,
"percentile": 0.99829
}05 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
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"dateUpdated": "2024-08-02T23:40:04.513Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2060795"
},
{
"tags": [
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],
"url": "https://dirtypipe.cm4all.com/"
},
{
"tags": [
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],
"url": "http://packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Escalation.html"
},
{
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"url": "http://packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html"
},
{
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],
"url": "http://packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html"
},
{
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"x_transferred"
],
"url": "https://www.suse.com/support/kb/doc/?id=000020603"
},
{
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20220325-0005/"
},
{
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],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
},
{
"tags": [
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],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015"
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{
"tags": [
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],
"url": "http://packetstormsecurity.com/files/176534/Linux-4.20-KTLS-Read-Only-Write.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-0847",
"options": [
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{
"Automatable": "no"
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{
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],
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"timestamp": "2025-02-04T18:38:16.058756Z",
"version": "2.0.3"
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"type": "ssvc"
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},
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"time": "2022-04-25T00:00:00.000Z",
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"cna": {
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"vendor": "n/a",
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"descriptions": [
{
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"value": "A flaw was found in the way the \"flags\" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system."
}
],
"problemTypes": [
{
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"description": "CWE-665->CWE-281",
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{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2060795"
},
{
"url": "https://dirtypipe.cm4all.com/"
},
{
"url": "http://packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Escalation.html"
},
{
"url": "http://packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html"
},
{
"url": "http://packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html"
},
{
"url": "https://www.suse.com/support/kb/doc/?id=000020603"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220325-0005/"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
},
{
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015"
},
{
"url": "http://packetstormsecurity.com/files/176534/Linux-4.20-KTLS-Read-Only-Write.html"
}
]
}
},
"cveMetadata": {
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"datePublished": "2022-03-07T00:00:00.000Z",
"dateReserved": "2022-03-03T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:44.668Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.92795,
"percentile": 0.99829
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.92795,
"percentile": 0.99829
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.92795,
"percentile": 0.99829
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2022-0847",
"cwes": [
"CWE-665"
],
"dateAdded": "2022-04-25",
"dueDate": "2022-05-16",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2022-0847",
"product": "Kernel",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Linux kernel contains an improper initialization vulnerability where an unprivileged local user could escalate their privileges on the system. This vulnerability has the moniker of \"Dirty Pipe.\"",
"vendorProject": "Linux",
"vulnerabilityName": "Linux Kernel Privilege Escalation Vulnerability"
}