CVE-2011-1769

Severity: low (CVSS 1.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-08-29 · updated 2026-06-16
Weakness: CWE-189

Description

SystemTap 1.4 and earlier, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs context variable access.

Affected products

Systemtap: through 1.4; 0.2.2, 0.3, 0.4, 0.5, 0.5.3, 0.5.4 (+22)

References

http://openwall.com/lists/oss-security/2011/05/20/2
http://secunia.com/advisories/44802
http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9
http://www.mandriva.com/security/advisories?name=MDVSA-2011:154
http://www.mandriva.com/security/advisories?name=MDVSA-2011:155
http://www.securityfocus.com/bid/47934
https://bugzilla.redhat.com/show_bug.cgi?id=702687
https://rhn.redhat.com/errata/RHSA-2011-0842.html
http://openwall.com/lists/oss-security/2011/05/20/2
http://secunia.com/advisories/44802
http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9
http://www.mandriva.com/security/advisories?name=MDVSA-2011:154

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