MediumFix available
blktrace — security advisory
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.
- Products
- blktrace
- Affected versions
- Not specified
- Fixed versions
- 1.2.0-1
- CVEs
- CVE-2018-10689
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:05 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2018-10689
blktrace
Fixed versions: 1.2.0-1
blktrace
Fixed versions: 1.2.0-1
blktrace
Fixed versions: 1.2.0-1
Complete source record
{
"id": "315cb38431988e6f2351aaed6e858f3ba5c8801f468b91b76bd7fafbe3c9f622",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-10689",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-10689",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2018-10689",
"products": [
{
"name": {
"value": "blktrace",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "blktrace",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "blktrace",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-10689",
"aliases": [
"DEBIAN-CVE-2018-10689"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0-1"
}
]
}
],
"package": {
"name": "blktrace",
"purl": "pkg:deb/debian/blktrace?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-10689.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0-1"
}
]
}
],
"package": {
"name": "blktrace",
"purl": "pkg:deb/debian/blktrace?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-10689.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0-1"
}
]
}
],
"package": {
"name": "blktrace",
"purl": "pkg:deb/debian/blktrace?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-10689.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:02:57.186093032Z",
"provider": "osv",
"upstream": [
"CVE-2018-10689"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-10689"
]
},
"related_cves": [
{
"value": "CVE-2018-10689",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 419904,
"published_at": "2018-05-03T07:29:00.21+00:00"
}