{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-43395", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-04-14T16:10:08.182Z", "dateReserved": "2021-11-04T00:00:00.000Z", "datePublished": "2022-12-26T00:00:00.000Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2022-12-26T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923. A local unprivileged user can cause a deadlock and kernel panic via crafted rename and rmdir calls on tmpfs filesystems. Oracle Solaris 10 and 11 is also affected." } ], "affected": [ { "vendor": "n/a", "product": "n/a", "versions": [ { "version": "n/a", "status": "affected" } ] } ], "references": [ { "url": "https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c" }, { "url": "https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c" }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html" }, { "url": "http://www.tribblix.org/relnotes.html" }, { "url": "https://jgardner100.wordpress.com/2022/01/20/security-heads-up/" }, { "url": "https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424" }, { "url": "https://www.illumos.org/issues/14424" }, { "url": "https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90" }, { "url": "https://kebe.com/blog/?p=505" } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "n/a" } ] } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:55:28.486Z" }, "title": "CVE Program Container", "references": [ { "url": "https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c", "tags": [ "x_transferred" ] }, { "url": "https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c", "tags": [ "x_transferred" ] }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html", "tags": [ "x_transferred" ] }, { "url": "http://www.tribblix.org/relnotes.html", "tags": [ "x_transferred" ] }, { "url": "https://jgardner100.wordpress.com/2022/01/20/security-heads-up/", "tags": [ "x_transferred" ] }, { "url": "https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424", "tags": [ "x_transferred" ] }, { "url": "https://www.illumos.org/issues/14424", "tags": [ "x_transferred" ] }, { "url": "https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90", "tags": [ "x_transferred" ] }, { "url": "https://kebe.com/blog/?p=505", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-667", "lang": "en", "description": "CWE-667 Improper Locking" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-04-14T16:09:04.387669Z", "id": "CVE-2021-43395", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-14T16:10:08.182Z" } } ] } }