CVE-2021-4203 (GCVE-0-2021-4203)
Vulnerability from cvelistv5 – Published: 2022-03-25 00:00 – Updated: 2024-08-03 17:16
VLAI
EPSS
VEX
Summary
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
Severity
6.8 (Medium)
CWE
- CWE-362 - >CWE-416
Assigner
References
6 references
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:16:04.262Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036934"
},
{
"tags": [
"x_transferred"
],
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814"
},
{
"tags": [
"x_transferred"
],
"url": "https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20221111-0003/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "kernel 5.15 rc4"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-362",
"description": "CWE-362-\u003eCWE-416",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-11-14T00:00:00.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036934"
},
{
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1"
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814"
},
{
"url": "https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/"
},
{
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221111-0003/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2021-4203",
"datePublished": "2022-03-25T00:00:00.000Z",
"dateReserved": "2022-01-10T00:00:00.000Z",
"dateUpdated": "2024-08-03T17:16:04.262Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-4203",
"date": "2026-09-16",
"epss": "0.01747",
"percentile": "0.76672"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"5.15\", \"matchCriteriaId\": \"037A6DFB-B41D-4CC7-86C1-A201809B79C4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*\", \"matchCriteriaId\": \"40D9C0D1-0F32-4A2B-9840-1072F5497540\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"60134C3A-06E4-48C1-B04F-2903732A4E56\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*\", \"matchCriteriaId\": \"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"11.0.0\", \"versionEndIncluding\": \"11.70.2\", \"matchCriteriaId\": \"8C5DA53D-744B-4087-AEA9-257F18949E4D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"85DF4B3F-4BBC-42B7-B729-096934523D63\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A3C19813-E823-456A-B1CE-EC0684CE1953\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"95BA156C-C977-4F0C-8DFB-3FAE9CC8C02D\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AD7447BC-F315-4298-A822-549942FC118B\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FDD92BFA-9117-4E6E-A13F-ED064B4B7284\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4B7DA42F-5D64-4967-A2D4-6210FE507841\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6770B6C3-732E-4E22-BF1C-2D2FD610061C\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9F9C8C20-42EB-4AB5-BD97-212DEB070C43\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"7FFF7106-ED78-49BA-9EC5-B889E3685D53\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E63D8B0F-006E-4801-BF9D-1C001BBFB4F9\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"56409CEC-5A1E-4450-AA42-641E459CC2AF\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B06F4839-D16A-4A61-9BB5-55B13F41E47F\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D0B4AD8A-F172-4558-AEC6-FF424BA2D912\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8497A4C9-8474-4A62-8331-3FE862ED4098\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"CDDF61B7-EC5C-467C-B710-B89F502CD04F\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6EDB6772-7FDB-45FF-8D72-952902A7EE56\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9955F62A-75D3-4347-9AD3-5947FC365838\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"7A6D77C7-A2F4-4700-AB5A-3EC853496ECA\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.\"}, {\"lang\": \"es\", \"value\": \"Se ha encontrado un fallo de lectura de uso de memoria previamente liberada en la funci\\u00f3n sock_getsockopt() en el archivo net/core/sock.c debido a la carrera de SO_PEERCRED y SO_PEERGROUPS con listen() (y connect()) en el kernel de Linux. En este fallo, un atacante con privilegios de usuario puede bloquear el sistema o filtrar informaci\\u00f3n interna del kernel\"}]",
"id": "CVE-2021-4203",
"lastModified": "2024-11-21T06:37:08.430",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H\", \"baseScore\": 6.8, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.6, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:S/C:P/I:N/A:P\", \"baseScore\": 4.9, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 6.8, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2022-03-25T19:15:09.833",
"references": "[{\"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2036934\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20221111-0003/\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2036934\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20221111-0003/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-362\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-362\"}, {\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
},
"microsoft_vex": {
"current_release_date": "2022-04-09T00:00:00.000Z",
"cve": "CVE-2021-4203",
"id": "msrc_CVE-2021-4203",
"initial_release_date": "2022-03-02T00:00:00.000Z",
"product_status:fixed": "1",
"product_status:known_affected": "1",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw an attacker with a user privileges may crash the system or leak internal kernel information.",
"url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2021-4203.json",
"version": "1"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-4203\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2022-03-25T19:15:09.833\",\"lastModified\":\"2026-06-17T04:19:12.783\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado un fallo de lectura de uso de memoria previamente liberada en la funci\u00f3n sock_getsockopt() en el archivo net/core/sock.c debido a la carrera de SO_PEERCRED y SO_PEERGROUPS con listen() (y connect()) en el kernel de Linux. En este fallo, un atacante con privilegios de usuario puede bloquear el sistema o filtrar informaci\u00f3n interna del kernel\"}],\"affected\":[{\"source\":\"secalert@redhat.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"kernel\",\"versions\":[{\"version\":\"kernel 5.15 rc4\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:P/I:N/A:P\",\"baseScore\":4.9,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.8,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.15\",\"matchCriteriaId\":\"037A6DFB-B41D-4CC7-86C1-A201809B79C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"40D9C0D1-0F32-4A2B-9840-1072F5497540\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"60134C3A-06E4-48C1-B04F-2903732A4E56\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*\",\"matchCriteriaId\":\"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.0.0\",\"versionEndIncluding\":\"11.70.2\",\"matchCriteriaId\":\"8C5DA53D-744B-4087-AEA9-257F18949E4D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"85DF4B3F-4BBC-42B7-B729-096934523D63\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A3C19813-E823-456A-B1CE-EC0684CE1953\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"95BA156C-C977-4F0C-8DFB-3FAE9CC8C02D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AD7447BC-F315-4298-A822-549942FC118B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FDD92BFA-9117-4E6E-A13F-ED064B4B7284\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4B7DA42F-5D64-4967-A2D4-6210FE507841\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6770B6C3-732E-4E22-BF1C-2D2FD610061C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F9C8C20-42EB-4AB5-BD97-212DEB070C43\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FFF7106-ED78-49BA-9EC5-B889E3685D53\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E63D8B0F-006E-4801-BF9D-1C001BBFB4F9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56409CEC-5A1E-4450-AA42-641E459CC2AF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B06F4839-D16A-4A61-9BB5-55B13F41E47F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0B4AD8A-F172-4558-AEC6-FF424BA2D912\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8497A4C9-8474-4A62-8331-3FE862ED4098\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CDDF61B7-EC5C-467C-B710-B89F502CD04F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6EDB6772-7FDB-45FF-8D72-952902A7EE56\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9955F62A-75D3-4347-9AD3-5947FC365838\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7A6D77C7-A2F4-4700-AB5A-3EC853496ECA\"}]}]}],\"references\":[{\"url\":\"https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2036934\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20221111-0003/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujul2022.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2036934\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20221111-0003/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujul2022.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T11:04:40+00:00",
"cve": "CVE-2021-4203",
"id": "CVE-2021-4203",
"initial_release_date": "2021-09-29T00:00:00+00:00",
"product_status:fixed": "300",
"product_status:known_affected": "42",
"product_status:known_not_affected": "106",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-4203.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-04T00:48:09Z",
"cve": "CVE-2021-4203",
"id": "CVE-2021-4203",
"initial_release_date": "2023-02-15T03:47:44Z",
"product_status:known_affected": "368",
"product_status:known_not_affected": "193",
"product_status:recommended": "822",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-4203",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-4203.json",
"version": "50"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…