What’s Vulnerable › Vulnerabilities

CVE-2009-1894

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-07-17 · updated 2026-06-16
• Weakness: CWE-362

Description

Race condition in PulseAudio 0.9.9, 0.9.10, and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link, related to the application setting LD_BIND_NOW to 1, and then calling execv on the target of the /proc/self/exe symlink.

Affected products

• Canonical Ltd. Ubuntu's pulseaudio: 0.9.9, 0.9.10, 0.9.14

References

• http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html
• http://secunia.com/advisories/35868
• http://secunia.com/advisories/35886
• http://secunia.com/advisories/35896
• http://security.gentoo.org/glsa/glsa-200907-13.xml
• http://taviso.decsystem.org/research.html
• http://www.akitasecurity.nl/advisory.php?id=AK20090602
• http://www.debian.org/security/2009/dsa-1838
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:152
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:171
• http://www.securityfocus.com/archive/1/505052/100/0/threaded
• http://www.securityfocus.com/bid/35721

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