cve-2021-47049
Vulnerability from cvelistv5
Published
2024-02-28 08:13
Modified
2024-11-04 11:58
Severity ?
EPSS score ?
Summary
Drivers: hv: vmbus: Use after free in __vmbus_open()
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T05:24:39.572Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2021-47049", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-08-08T18:59:39.474038Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-08-08T18:59:54.282Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "drivers/hv/channel.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "d5c7b42c9f56", "status": "affected", "version": "6f3d791f3006", "versionType": "git" }, { "lessThan": "f37dd5d1b5d3", "status": "affected", "version": "6f3d791f3006", "versionType": "git" }, { "lessThan": "2728f289b327", "status": "affected", "version": "6f3d791f3006", "versionType": "git" }, { "lessThan": "3e9bf43f7f7a", "status": "affected", "version": "6f3d791f3006", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "drivers/hv/channel.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "4.14" }, { "lessThan": "4.14", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.37", "versionType": "semver" }, { "lessThanOrEqual": "5.11.*", "status": "unaffected", "version": "5.11.21", "versionType": "semver" }, { "lessThanOrEqual": "5.12.*", "status": "unaffected", "version": "5.12.4", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Use after free in __vmbus_open()\n\nThe \"open_info\" variable is added to the \u0026vmbus_connection.chn_msg_list,\nbut the error handling frees \"open_info\" without removing it from the\nlist. This will result in a use after free. First remove it from the\nlist, and then free it." } ], "providerMetadata": { "dateUpdated": "2024-11-04T11:58:26.215Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f" }, { "url": "https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560" }, { "url": "https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5" }, { "url": "https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da" } ], "title": "Drivers: hv: vmbus: Use after free in __vmbus_open()", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47049", "datePublished": "2024-02-28T08:13:52.168Z", "dateReserved": "2024-02-27T18:42:55.971Z", "dateUpdated": "2024-11-04T11:58:26.215Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47049\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-28T09:15:40.417\",\"lastModified\":\"2024-02-28T14:06:45.783\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nDrivers: hv: vmbus: Use after free in __vmbus_open()\\n\\nThe \\\"open_info\\\" variable is added to the \u0026vmbus_connection.chn_msg_list,\\nbut the error handling frees \\\"open_info\\\" without removing it from the\\nlist. This will result in a use after free. First remove it from the\\nlist, and then free it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Controladores: hv: vmbus: Usar despu\u00e9s de liberar en __vmbus_open() La variable \\\"open_info\\\" se agrega a \u0026amp;vmbus_connection.chn_msg_list, pero el manejo de errores libera \\\"open_info\\\" sin eliminarlo de la lista. Esto resultar\u00e1 en un uso posterior gratuito. Primero elim\u00ednelo de la lista y luego lib\u00e9relo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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.