cve-2021-1048
Vulnerability from cvelistv5
Published
2021-12-15 18:05
Modified
2024-08-03 15:55
Severity ?
EPSS score ?
Summary
In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel
References
▼ | URL | Tags | |
---|---|---|---|
security@android.com | https://source.android.com/security/bulletin/2021-11-01 | Patch, Vendor Advisory |
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2022-05-23
Due date: 2022-06-13
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-1048
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T15:55:18.641Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://source.android.com/security/bulletin/2021-11-01" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Android", "vendor": "n/a", "versions": [ { "status": "affected", "version": "Android kernel" } ] } ], "descriptions": [ { "lang": "en", "value": "In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel" } ], "problemTypes": [ { "descriptions": [ { "description": "Elevation of privilege", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-12-15T18:05:35", "orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://source.android.com/security/bulletin/2021-11-01" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@android.com", "ID": "CVE-2021-1048", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Android", "version": { "version_data": [ { "version_value": "Android kernel" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Elevation of privilege" } ] } ] }, "references": { "reference_data": [ { "name": "https://source.android.com/security/bulletin/2021-11-01", "refsource": "MISC", "url": "https://source.android.com/security/bulletin/2021-11-01" } ] } } } }, "cveMetadata": { "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "assignerShortName": "google_android", "cveId": "CVE-2021-1048", "datePublished": "2021-12-15T18:05:35", "dateReserved": "2020-11-06T00:00:00", "dateUpdated": "2024-08-03T15:55:18.641Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "cisa_known_exploited": { "cveID": "CVE-2021-1048", "cwes": "[\"CWE-416\"]", "dateAdded": "2022-05-23", "dueDate": "2022-06-13", "knownRansomwareCampaignUse": "Unknown", "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-1048", "product": "Kernel", "requiredAction": "Apply updates per vendor instructions.", "shortDescription": "Android kernel contains a use-after-free vulnerability that allows for privilege escalation.", "vendorProject": "Android", "vulnerabilityName": "Android Kernel Use-After-Free Vulnerability" }, "nvd": "{\"cve\":{\"id\":\"CVE-2021-1048\",\"sourceIdentifier\":\"security@android.com\",\"published\":\"2021-12-15T19:15:14.917\",\"lastModified\":\"2021-12-20T16:56:29.830\",\"vulnStatus\":\"Analyzed\",\"cisaExploitAdd\":\"2022-05-23\",\"cisaActionDue\":\"2022-06-13\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Android Kernel Use-After-Free Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel\"},{\"lang\":\"es\",\"value\":\"En la funci\u00f3n ep_loop_check_proc del archivo eventpoll.c, se presenta una posible forma de corromper la memoria debido a un uso de memoria previamente liberada. Esto podr\u00eda conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android. Versiones: Android kernel. ID de Android: A-204573007. Referencias: Kernel ascendente\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.2},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:google:android:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26\"}]}]}],\"references\":[{\"url\":\"https://source.android.com/security/bulletin/2021-11-01\",\"source\":\"security@android.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.