CVE-2009-2911

1.0: Multiple denial of service flaws once --unprivileged mode is activated

Published Oct 22, 2009 CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2009-2899 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.
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 6:07 AM
Reserved
Aug 20, 2009, 12:00 AM
Status
Modified
Published
Oct 22, 2009, 4:30 PM
Modified
Jun 16, 2026, 11:10 PM
Severity
Low
Public date
Oct 21, 2009, 12:00 AM