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PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka 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20210129 Re: Linux Kernel: local priv escalation via futexes","url":"http://www.openwall.com/lists/oss-security/2021/01/29/5"},{"refsource":"MLIST","name":"[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes","url":"http://www.openwall.com/lists/oss-security/2021/01/29/4"},{"refsource":"MLIST","name":"[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes","url":"http://www.openwall.com/lists/oss-security/2021/02/01/4"},{"refsource":"DEBIAN","name":"DSA-4843","url":"https://www.debian.org/security/2021/dsa-4843"},{"refsource":"FEDORA","name":"FEDORA-2021-6e805a5051","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CXAVDAK4RLAHBHHGEPL73UFXSI6BXQ7Q/"},{"refsource":"FEDORA","name":"FEDORA-2021-879c756377","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QOBMXDJABYE76RKNBAWA2E4TSSBX7CSJ/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20210304-0005/","url":"https://security.netapp.com/advisory/ntap-20210304-0005/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"}]}},"nvd":{"publishedDate":"2021-01-29 17:15:00","lastModifiedDate":"2023-11-07 03:37:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"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},"baseMetricV2":{"cvssV2":{"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},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndIncluding":"5.10.11","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"3347","Ordinal":"201327","Title":"CVE-2021-3347","CVE":"CVE-2021-3347","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"3347","Ordinal":"1","NoteData":"An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"3347","Ordinal":"2","NoteData":"2021-01-29","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"3347","Ordinal":"3","NoteData":"2021-03-09","Type":"Other","Title":"Modified"}]}}}