{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-32629", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "state": "PUBLISHED", "assignerShortName": "canonical", "dateReserved": "2023-06-29T21:43:35.022Z", "datePublished": "2023-07-26T01:59:47.061Z", "dateUpdated": "2025-02-13T16:54:52.620Z" }, "containers": { "cna": { "affected": [ { "vendor": "Canonical", "product": "Ubuntu Kernel", "platforms": [ "Linux" ], "packageName": "Linux", "versions": [ { "status": "unaffected", "version": "0", "lessThan": "6.2.0-26.26", "versionType": "semver" }, { "status": "unaffected", "version": "0", "lessThan": "6.0.0-1020.20", "versionType": "semver" }, { "status": "unaffected", "version": "0", "lessThan": "5.4.0-155.172", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels" } ], "workarounds": [ { "lang": "en", "value": "If not needed, disable the ability for unprivileged users\nto create namespaces. To do this temporarily, do:\n sudo sysctl -w kernel.unprivileged_userns_clone=0\nTo disable across reboots, do:\n echo kernel.unprivileged_userns_clone=0 | \\\n sudo tee /etc/sysctl.d/99-disable-unpriv-userns.conf" } ], "datePublic": "2023-06-06T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-863", "description": "CWE-863", "lang": "en", "type": "CWE" } ] } ], "references": [ { "url": "https://ubuntu.com/security/notices/USN-6250-1", "tags": [ "vendor-advisory" ] }, { "tags": [ "mailing-list" ], "url": "https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html" }, { "tags": [ "technical-description" ], "url": "https://wiz.io/blog/ubuntu-overlayfs-vulnerability" }, { "tags": [ "issue-tracking" ], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629" }, { "url": "http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html" } ], "credits": [ { "lang": "en", "type": "finder", "value": "Shir Tamari" }, { "lang": "en", "type": "finder", "value": "Sagi Tzadik" } ], "metrics": [ { "format": "CVSS", "cvssV3_1": { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" } } ], "providerMetadata": { "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2023-09-11T18:06:23.968Z" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T15:25:36.941Z" }, "title": "CVE Program Container", "references": [ { "url": "https://ubuntu.com/security/notices/USN-6250-1", "tags": [ "vendor-advisory", "x_transferred" ] }, { "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html" }, { "tags": [ "technical-description", "x_transferred" ], "url": "https://wiz.io/blog/ubuntu-overlayfs-vulnerability" }, { "tags": [ "issue-tracking", "x_transferred" ], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629" }, { "url": "http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html", "tags": [ "x_transferred" ] } ] }, { "affected": [ { "vendor": "canonical", "product": "ubantu_kernel", "cpes": [ "cpe:2.3:o:canonical:ubantu_kernel:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "0", "status": "affected", "lessThan": ".2.0-26.26", "versionType": "semver" }, { "version": "0", "status": "affected", "lessThan": "6.0.0-1020.20", "versionType": "semver" }, { "version": "0", "status": "affected", "lessThan": "5.4.0-155.172", "versionType": "semver" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-10-23T14:52:16.324371Z", "id": "CVE-2023-32629", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-23T14:55:16.703Z" } } ] } }