{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"dateAssigned":"2018-06-08T00:00:00.000Z","datePublic":"2018-06-26T00:00:00.000Z","descriptions":[{"lang":"en","value":"Linux Kernel version 3.18 to 4.16 incorrectly handles an SG_IO ioctl on /dev/sg0 with dxfer_direction=SG_DXFER_FROM_DEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824 already. The problem has limited scope, as users don't usually have permissions to access SCSI devices. On the other hand, e.g. the Nero user manual suggests doing `chmod o+r+w /dev/sg*` to make the devices accessible. NOTE: third parties dispute the relevance of this report, noting that the requirement for an attacker to have both the CAP_SYS_ADMIN and CAP_SYS_RAWIO capabilities makes it \"virtually impossible to exploit."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2019-05-20T14:06:09.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"USN-3752-2","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-2/"},{"name":"[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update","tags":["mailing-list","x_refsource_MLIST"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"},{"name":"USN-3696-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3696-1/"},{"name":"USN-3752-3","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-3/"},{"name":"[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update","tags":["mailing-list","x_refsource_MLIST"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"},{"tags":["x_refsource_MISC"],"url":"http://www.openwall.com/lists/oss-security/2018/06/26/3"},{"name":"USN-3754-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3754-1/"},{"name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","tags":["mailing-list","x_refsource_MLIST"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"},{"name":"RHSA-2018:2948","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2018:2948"},{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824"},{"name":"USN-3696-2","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3696-2/"},{"name":"USN-3752-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-1/"},{"name":"openSUSE-SU-2019:1407","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html"}],"tags":["disputed"],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","DATE_ASSIGNED":"2018-06-08","ID":"CVE-2018-1000204","REQUESTER":"glider@google.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"** DISPUTED ** Linux Kernel version 3.18 to 4.16 incorrectly handles an SG_IO ioctl on /dev/sg0 with dxfer_direction=SG_DXFER_FROM_DEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824 already. The problem has limited scope, as users don't usually have permissions to access SCSI devices. On the other hand, e.g. the Nero user manual suggests doing `chmod o+r+w /dev/sg*` to make the devices accessible. NOTE: third parties dispute the relevance of this report, noting that the requirement for an attacker to have both the CAP_SYS_ADMIN and CAP_SYS_RAWIO capabilities makes it \"virtually impossible to exploit.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"USN-3752-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3752-2/"},{"name":"[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"},{"name":"USN-3696-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3696-1/"},{"name":"USN-3752-3","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3752-3/"},{"name":"[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"},{"name":"http://www.openwall.com/lists/oss-security/2018/06/26/3","refsource":"MISC","url":"http://www.openwall.com/lists/oss-security/2018/06/26/3"},{"name":"USN-3754-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3754-1/"},{"name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"},{"name":"RHSA-2018:2948","refsource":"REDHAT","url":"https://access.redhat.com/errata/RHSA-2018:2948"},{"name":"https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824","refsource":"CONFIRM","url":"https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824"},{"name":"USN-3696-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3696-2/"},{"name":"USN-3752-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3752-1/"},{"name":"openSUSE-SU-2019:1407","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-05T12:40:46.834Z"},"title":"CVE Program Container","references":[{"name":"USN-3752-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3752-2/"},{"name":"[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"},{"name":"USN-3696-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3696-1/"},{"name":"USN-3752-3","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3752-3/"},{"name":"[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2018/06/26/3"},{"name":"USN-3754-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3754-1/"},{"name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"},{"name":"RHSA-2018:2948","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"https://access.redhat.com/errata/RHSA-2018:2948"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824"},{"name":"USN-3696-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3696-2/"},{"name":"USN-3752-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/3752-1/"},{"name":"openSUSE-SU-2019:1407","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html"}]}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2018-1000204","datePublished":"2018-06-26T14:00:00.000Z","dateReserved":"2018-06-08T00:00:00.000Z","dateUpdated":"2024-08-05T12:40:46.834Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}