Vulnerability Details CVE-2009-2911
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.0%
CVSS Severity
CVSS v2 Score 1.9
References
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41633
- http://secunia.com/advisories/37167
- http://sources.redhat.com/bugzilla/show_bug.cgi?id=10750
- http://www.openwall.com/lists/oss-security/2009/10/21/1
- http://www.securityfocus.com/bid/36778
- http://www.vupen.com/english/advisories/2009/2989
- https://bugzilla.redhat.com/show_bug.cgi?id=529175
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00627.html
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00793.html
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41633
- http://secunia.com/advisories/37167
- http://sources.redhat.com/bugzilla/show_bug.cgi?id=10750
- http://www.openwall.com/lists/oss-security/2009/10/21/1
- http://www.securityfocus.com/bid/36778
- http://www.vupen.com/english/advisories/2009/2989
- https://bugzilla.redhat.com/show_bug.cgi?id=529175
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00627.html
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00793.html