{"id":"CVE-2017-7558","state":"PUBLISHED","title":"A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 t","description":"A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.","publishedAt":"2018-07-26T15:00:00.000Z","updatedAt":"2024-08-05T16:04:12.011Z","severity":{"score":5.1,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"redhat"},"assigner":"redhat","products":["Linux kernel"],"affected":[{"vendor":"Linux","product":"kernel","versions":[{"version":"4.7-rc1 through 4.13","status":"affected"}]}],"references":["https://marc.info/?l=linux-netdev&m=150348777122761&w=2","https://access.redhat.com/errata/RHSA-2017:2918","https://access.redhat.com/errata/RHSA-2017:2931","http://www.securityfocus.com/bid/100466","http://seclists.org/oss-sec/2017/q3/338","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558","http://www.securitytracker.com/id/1039221","https://www.debian.org/security/2017/dsa-3981","https://access.redhat.com/errata/RHSA-2017:2930"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T19:43:54.997Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/7xxx/CVE-2017-7558.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-7558","state":"PUBLISHED","datePublished":"2018-07-26T15:00:00.000Z","dateUpdated":"2024-08-05T16:04:12.011Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2017-04-05T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace."}],"affected":[{"vendor":"Linux","product":"kernel","versions":[{"version":"4.7-rc1 through 4.13","status":"affected"}]}],"references":[{"url":"https://marc.info/?l=linux-netdev&m=150348777122761&w=2","name":"[linux-netdev] 20170823 [PATCH net] sctp: Avoid out-of-bounds reads from address storage","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2918","name":"RHSA-2017:2918","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2931","name":"RHSA-2017:2931","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www.securityfocus.com/bid/100466","name":"100466","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://seclists.org/oss-sec/2017/q3/338","name":"[oss-security] 20170823 CVE-2017-7558: Linux kernel: sctp: out-of-bounds read in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info()","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securitytracker.com/id/1039221","name":"1039221","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"https://www.debian.org/security/2017/dsa-3981","name":"DSA-3981","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2930","name":"RHSA-2017:2930","tags":["vendor-advisory","x_refsource_REDHAT"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2018-07-27T09:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2017-08-23T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://marc.info/?l=linux-netdev&m=150348777122761&w=2","name":"[linux-netdev] 20170823 [PATCH net] sctp: Avoid out-of-bounds reads from address storage","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2918","name":"RHSA-2017:2918","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2931","name":"RHSA-2017:2931","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.securityfocus.com/bid/100466","name":"100466","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://seclists.org/oss-sec/2017/q3/338","name":"[oss-security] 20170823 CVE-2017-7558: Linux kernel: sctp: out-of-bounds read in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info()","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id/1039221","name":"1039221","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://www.debian.org/security/2017/dsa-3981","name":"DSA-3981","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2930","name":"RHSA-2017:2930","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T16:04:12.011Z"}}]}}}