CVE-2019-19767

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"url": "https://usn.ubuntu.com/4284-1/"}, {"name": "openSUSE-SU-2020:0336", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:25:12.691Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=205707"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=205609"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": 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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EDA2DEC6-C9B1-4CBB-99ED-EF1EB2832A99", "versionEndExcluding": "5.4.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163."}, {"lang": "es", "value": "El kernel de Linux versi\u00f3n anterior a 5.4.2 maneja inapropiadamente la funci\u00f3n ext4_expand_extra_isize, como es demostrado por un error de uso de la memoria previamente liberada en las funciones __ext4_expand_extra_isize y ext4_xattr_set_entry, relacionadas con los archivos fs/ext4/inode.c y fs/ext4/super.c, tambi\u00e9n se conoce como CID-4ea99936a163."}], "id": "CVE-2019-19767", "lastModified": "2026-06-17T02:27:12.730", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "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": "2019-12-12T20:15:17.583", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=205609"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=205707"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20200103-0001/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4258-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4284-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4287-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4287-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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"af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20200103-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4258-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4284-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4287-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4287-2/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:4062", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1160.rt56.1131.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:2854", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.26.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-07T00:00:00Z"}, {"advisory": "RHSA-2020:4060", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1160.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:4609", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-240.rt7.54.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2020:4431", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-240.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}], "bugzilla": {"description": "kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c", "id": "1786160", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1786160"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.", "A use-after-free flaw was found in the Linux kernel\u2019s ext4 file system functionality when the user mount ext4 partition, with the usage of an additional debug parameter is defining an extra inode size. If this parameter has a non zero value, this flaw allows a local user to crash the system when inode expansion happens."], "mitigation": {"lang": "en:us", "value": "The mitigation is not to use debug_want_extra_isize parameter when mounting ext4 FS."}, "name": "CVE-2019-19767", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-11-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-19767\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19767"], "threat_severity": "Moderate"}

{}