{"api_version":"1","generated_at":"2026-07-23T10:25:46+00:00","cve":"CVE-2018-10878","urls":{"html":"https://cve.report/CVE-2018-10878","api":"https://cve.report/api/cve/CVE-2018-10878.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-10878","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-10878"},"summary":{"title":"CVE-2018-10878","description":"A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2018-07-26 18:29:00","updated_at":"2023-10-05 14:15:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1596802","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1596802","refsource":"MISC","tags":[],"title":"1596802 – (CVE-2018-10878) CVE-2018-10878 kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3871-3/","name":"USN-3871-3","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3871-3: Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html","name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","refsource":"MLIST","tags":["Mailing List","Third Party Advisory"],"title":"[SECURITY] [DLA 1423-1] linux-4.9 new package","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10878","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10878","refsource":"CONFIRM","tags":["Issue Tracking","Patch"],"title":"1596802 – (CVE-2018-10878) CVE-2018-10878 kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3871-5/","name":"USN-3871-5","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3871-5: Linux kernel (Azure) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2018-10878","name":"https://access.redhat.com/security/cve/CVE-2018-10878","refsource":"MISC","tags":[],"title":"CVE-2018-10878 - Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2018:3083","name":"RHSA-2018:3083","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3871-4/","name":"USN-3871-4","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3871-4: Linux kernel (HWE) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.kernel.org/show_bug.cgi?id=199865","name":"https://bugzilla.kernel.org/show_bug.cgi?id=199865","refsource":"CONFIRM","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"],"title":"199865 – out-of-bound write in ext4_init_block_bitmap() when mounting and operating a crafted ext4 image","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://patchwork.ozlabs.org/patch/929238/","name":"http://patchwork.ozlabs.org/patch/929238/","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"[2/3] ext4: make sure bitmaps and the inode table don't overlap with bg descriptors - Patchwork","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3753-1/","name":"USN-3753-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3753-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3871-1/","name":"USN-3871-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3871-1: Linux kernel vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3753-2/","name":"USN-3753-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3753-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2018:2948","name":"RHSA-2018:2948","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2018:3096","name":"RHSA-2018:3096","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://patchwork.ozlabs.org/patch/929237/","name":"http://patchwork.ozlabs.org/patch/929237/","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"[1/3] ext4: always check block group bounds in ext4_init_block_bitmap() - Patchwork","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-10878","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10878","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10878","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2018-10878","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-787","cweId":"CWE-787"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"[UNKNOWN]","product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_affected":"=","version_value":"n/a"}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/errata/RHSA-2018:2948","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2018:2948"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html","refsource":"MISC","name":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"},{"url":"https://usn.ubuntu.com/3871-1/","refsource":"MISC","name":"https://usn.ubuntu.com/3871-1/"},{"url":"https://usn.ubuntu.com/3871-3/","refsource":"MISC","name":"https://usn.ubuntu.com/3871-3/"},{"url":"https://usn.ubuntu.com/3871-4/","refsource":"MISC","name":"https://usn.ubuntu.com/3871-4/"},{"url":"https://usn.ubuntu.com/3871-5/","refsource":"MISC","name":"https://usn.ubuntu.com/3871-5/"},{"url":"https://access.redhat.com/errata/RHSA-2018:3083","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2018:3083"},{"url":"https://access.redhat.com/errata/RHSA-2018:3096","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2018:3096"},{"url":"https://usn.ubuntu.com/3753-1/","refsource":"MISC","name":"https://usn.ubuntu.com/3753-1/"},{"url":"https://usn.ubuntu.com/3753-2/","refsource":"MISC","name":"https://usn.ubuntu.com/3753-2/"},{"url":"http://patchwork.ozlabs.org/patch/929237/","refsource":"MISC","name":"http://patchwork.ozlabs.org/patch/929237/"},{"url":"http://patchwork.ozlabs.org/patch/929238/","refsource":"MISC","name":"http://patchwork.ozlabs.org/patch/929238/"},{"url":"https://bugzilla.kernel.org/show_bug.cgi?id=199865","refsource":"MISC","name":"https://bugzilla.kernel.org/show_bug.cgi?id=199865"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10878","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10878"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee","refsource":"MISC","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2","refsource":"MISC","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2"}]},"impact":{"cvss":[{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"HIGH","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.0"}]}},"nvd":{"publishedDate":"2018-07-26 18:29:00","lastModifiedDate":"2023-10-05 14:15:00","problem_types":["CWE-787"],"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:P/I:P/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"COMPLETE","baseScore":6.1},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":8.5,"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:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"3.18.124","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.17.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"4.14.55","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.9.112","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"4.4.140","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"3.16.58","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"10878","Ordinal":"127330","Title":"CVE-2018-10878","CVE":"CVE-2018-10878","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"10878","Ordinal":"1","NoteData":"A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"10878","Ordinal":"2","NoteData":"2018-07-26","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"10878","Ordinal":"3","NoteData":"2019-02-09","Type":"Other","Title":"Modified"}]}}}