Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-08-21. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
CISA due date: 2024-09-11. 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: 8.4
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2
- https://github.com/Crusaders-of-Rust/CVE-2022-0185
- https://www.openwall.com/lists/oss-security/2022/01/18/7
- https://www.willsroot.io/2022/01/cve-2022-0185.html
- https://security.netapp.com/advisory/ntap-20220225-0003/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0185
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": 0.25151,
"percentile": 0.97959
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.25151,
"percentile": 0.97947
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.25151,
"percentile": 0.97946
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.25151,
"percentile": 0.97946
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.25151,
"percentile": 0.97945
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.25151,
"percentile": 0.97942
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.25151,
"percentile": 0.97941
}05 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T23:18:42.536Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/Crusaders-of-Rust/CVE-2022-0185"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.openwall.com/lists/oss-security/2022/01/18/7"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.willsroot.io/2022/01/cve-2022-0185.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20220225-0003/"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "linux_kernel",
"vendor": "linux",
"versions": [
{
"status": "affected",
"version": "8.4"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"dateAdded": "2024-08-21",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0185"
},
"type": "kev"
}
},
{
"other": {
"content": {
"id": "CVE-2022-0185",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-22T12:49:08.646375Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:15:46.536Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0185"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-08-21T00:00:00.000Z",
"value": "CVE-2022-0185 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "8.4"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "Integer Overflow or Wraparound CWE-190",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-25T09:06:15.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Crusaders-of-Rust/CVE-2022-0185"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.openwall.com/lists/oss-security/2022/01/18/7"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.willsroot.io/2022/01/cve-2022-0185.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20220225-0003/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2022-0185",
"datePublished": "2022-02-11T17:40:57.000Z",
"dateReserved": "2022-01-11T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:46.536Z",
"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": 0.25151,
"percentile": 0.97939
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.25151,
"percentile": 0.97936
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.25151,
"percentile": 0.97933
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2022-0185",
"cwes": [
"CWE-190"
],
"dateAdded": "2024-08-21",
"dueDate": "2024-09-11",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=722d94847de2; https://nvd.nist.gov/vuln/detail/CVE-2022-0185",
"product": "Kernel",
"requiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.",
"shortDescription": "Linux kernel contains a heap-based buffer overflow vulnerability in the legacy_parse_param function in the Filesystem Context functionality. This allows an attacker to open a filesystem that does not support the Filesystem Context API and ultimately escalate privileges.",
"vendorProject": "Linux",
"vulnerabilityName": "Linux Kernel Heap-Based Buffer Overflow Vulnerability"
}