systemtap — security advisory
SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records.
- Products
- systemtap
- Affected versions
- Not specified
- Fixed versions
- 1.0-2
- CVEs
- CVE-2009-2911
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:26 UTC · Revision 1
Source evidence
SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records.
osv:DEBIAN-CVE-2009-2911
systemtap
Fixed versions: 1.0-2
systemtap
Fixed versions: 1.0-2
systemtap
Fixed versions: 1.0-2
Complete source record
{
"id": "2b017da068ba82ba0d55751ed90841fb1dced8f38d6502f8ed9ea3c9748f0deb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2009-2911",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2009-2911",
"summary": "SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records.",
"evidence": "osv:DEBIAN-CVE-2009-2911",
"products": [
{
"name": {
"value": "systemtap",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemtap",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemtap",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2009-2911",
"aliases": [
"DEBIAN-CVE-2009-2911"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0-2"
}
]
}
],
"package": {
"name": "systemtap",
"purl": "pkg:deb/debian/systemtap?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0-2"
}
]
}
],
"package": {
"name": "systemtap",
"purl": "pkg:deb/debian/systemtap?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0-2"
}
]
}
],
"package": {
"name": "systemtap",
"purl": "pkg:deb/debian/systemtap?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:21.486084770Z",
"provider": "osv",
"upstream": [
"CVE-2009-2911"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2009-2911"
]
},
"related_cves": [
{
"value": "CVE-2009-2911",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 416502,
"published_at": "2009-10-22T16:30:00.217+00:00"
}