CVE-2006-3626

Severity: medium (CVSS 6.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-07-18 · updated 2026-06-16

Description

Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.

Affected products

Linux kernel: 2.6.16, 2.6.16-rc1, 2.6.16-rc2, 2.6.16-rc3, 2.6.16-rc4, 2.6.16-rc5 (+36)

References

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.5
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047907.html
http://secunia.com/advisories/21041
http://secunia.com/advisories/21057
http://secunia.com/advisories/21073
http://secunia.com/advisories/21119
http://secunia.com/advisories/21123
http://secunia.com/advisories/21179
http://secunia.com/advisories/21498
http://secunia.com/advisories/21605
http://secunia.com/advisories/22174
http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm

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