{"id":"UBUNTU-CVE-2018-10689","details":"blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.","modified":"2025-09-08T16:44:51Z","published":"2018-05-03T07:29:00Z","upstream":["CVE-2018-10689"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-10689"},{"type":"REPORT","url":"https://git.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git/commit/?id=d61ff409cb4dda31386373d706ea0cfb1aaac5b7"},{"type":"REPORT","url":"https://www.spinics.net/lists/linux-btrace/msg00847.html"},{"type":"REPORT","url":"http://git.kernel.dk/?p=blktrace.git;a=log;h=d61ff409cb4dda31386373d706ea0cfb1aaac5b7"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-10689"}],"affected":[{"package":{"name":"blktrace","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/blktrace@1.0.5-1+deb8u1build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-1+deb8u1build0.14.04.1"}]}],"versions":["1.0.5-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"blktrace","binary_version":"1.0.5-1+deb8u1build0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10689.json"}},{"package":{"name":"blktrace","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/blktrace@1.1.0-2+deb9u1build0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0-2+deb9u1build0.16.04.1"}]}],"versions":["1.1.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"blktrace","binary_version":"1.1.0-2+deb9u1build0.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10689.json"}},{"package":{"name":"blktrace","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/blktrace@1.1.0-2+deb9u1build0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0-2+deb9u1build0.18.04.1"}]}],"versions":["1.1.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"blktrace","binary_version":"1.1.0-2+deb9u1build0.18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10689.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}