{"id":"CVE-2018-10840","state":"PUBLISHED","title":"Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ","description":"Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.","publishedAt":"2018-07-16T20:00:00.000Z","updatedAt":"2024-08-05T07:46:47.078Z","severity":{"score":5.2,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","source":"redhat"},"assigner":"redhat","products":["kernel heap-based buffer overflow in fs/ext4/xattr.c"],"affected":[{"vendor":"kernel","product":"heap-based buffer overflow in fs/ext4/xattr.c","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://usn.ubuntu.com/3752-2/","https://usn.ubuntu.com/3752-3/","https://access.redhat.com/errata/RHSA-2019:0162","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840","http://www.securityfocus.com/bid/104858","https://usn.ubuntu.com/3752-1/"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T19:44:10.244Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/10xxx/CVE-2018-10840.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-10840","state":"PUBLISHED","datePublished":"2018-07-16T20:00:00.000Z","dateUpdated":"2024-08-05T07:46:47.078Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2018-05-09T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image."}],"affected":[{"vendor":"kernel","product":"heap-based buffer overflow in fs/ext4/xattr.c","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://usn.ubuntu.com/3752-2/","name":"USN-3752-2","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://usn.ubuntu.com/3752-3/","name":"USN-3752-3","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://access.redhat.com/errata/RHSA-2019:0162","name":"RHSA-2019:0162","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/104858","name":"104858","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://usn.ubuntu.com/3752-1/","name":"USN-3752-1","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"PHYSICAL","availabilityImpact":"HIGH","baseScore":5.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2019-01-30T10:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2018-07-16T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://usn.ubuntu.com/3752-2/","name":"USN-3752-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://usn.ubuntu.com/3752-3/","name":"USN-3752-3","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2019:0162","name":"RHSA-2019:0162","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/104858","name":"104858","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://usn.ubuntu.com/3752-1/","name":"USN-3752-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T07:46:47.078Z"}}]}}}