CVE-2018-1094

{"containers": {"cna": {"affected": [{"product": "Linux kernel through version 4.15", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel through version 4.15"}]}], "datePublic": "2018-04-01T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image."}], "problemTypes": [{"descriptions": [{"description": "NULL pointer dereference", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-31T09:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560788"}, {"name": "RHSA-2018:3083", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:3083"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957"}, {"tags": ["x_refsource_MISC"], "url": "http://openwall.com/lists/oss-security/2018/03/29/1"}, {"name": "USN-3695-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3695-1/"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1"}, {"name": "USN-3695-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3695-2/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199183"}, {"name": "RHSA-2018:2948", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2948"}, {"name": "RHSA-2018:3096", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:3096"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T03:51:48.938Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560788"}, {"name": "RHSA-2018:3083", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:3083"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2018/03/29/1"}, {"name": "USN-3695-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3695-1/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1"}, {"name": "USN-3695-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3695-2/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199183"}, {"name": "RHSA-2018:2948", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2948"}, {"name": "RHSA-2018:3096", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:3096"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2018-1094", "datePublished": "2018-04-02T03:00:00.000Z", "dateReserved": "2017-12-04T00:00:00.000Z", "dateUpdated": "2024-08-05T03:51:48.938Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Linux kernel through version 4.15", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel through version 4.15"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA4F2AD9-993F-4246-B6F9-7723FF82AF6C", "versionEndIncluding": "4.15.15", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image."}, {"lang": "es", "value": "La funci\u00f3n ext4_fill_super en fs/ext4/super.c en el kernel de Linux hasta la versi\u00f3n 4.15.15 no inicializa siempre el controlador de las sumas de verificaci\u00f3n crc32c, lo que permite que los atacantes provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULL en ext4_xattr_inode_hash y cierre inesperado del sistema) mediante una imagen ext4 manipulada."}], "id": "CVE-2018-1094", "lastModified": "2026-06-17T01:50:28.043", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-04-02T03:29:00.370", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2018/03/29/1"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2948"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3083"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3096"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199183"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3083"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3096"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199183"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560788"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3695-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3695-2/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Wen Xu for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:3096", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-957.rt56.910.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}, {"advisory": "RHSA-2018:2948", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}, {"advisory": "RHSA-2018:3083", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-957.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}], "bugzilla": {"description": "kernel: NULL pointer dereference in ext4/xattr.c:ext4_xattr_inode_hash() causes crash with crafted ext4 image", "id": "1560788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560788"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.6", "cvss3_scoring_vector": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.", "The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/xattr.c:ext4_xattr_inode_hash() function. An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a NULL pointer dereference with a crafted ext4 image."], "name": "CVE-2018-1094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Fix deferred", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2018-03-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-1094\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1094"], "threat_severity": "Low"}

{}