CVE-2006-1066

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: 2006-03-27 · updated 2026-06-16

Description

Linux kernel 2.6.16-rc2 and earlier, when running on x86_64 systems with preemption enabled, allows local users to cause a denial of service (oops) via multiple ptrace tasks that perform single steps, which can cause corruption of the DEBUG_STACK stack during the do_debug function call.

Affected products

Linux kernel: 2.6.0, 2.6.0-test1, 2.6.0-test10, 2.6.0-test11, 2.6.0-test2, 2.6.0-test3 (+68)

References

http://marc.info/?l=linux-kernel&m=113932292516359&w=2
http://secunia.com/advisories/19374
http://secunia.com/advisories/19955
http://secunia.com/advisories/21614
http://www.debian.org/security/2006/dsa-1017
http://www.mandriva.com/security/advisories?name=MDKSA-2006:151
http://www.osvdb.org/24098
http://www.securityfocus.com/bid/17216
https://usn.ubuntu.com/281-1/
http://marc.info/?l=linux-kernel&m=113932292516359&w=2
http://secunia.com/advisories/19374
http://secunia.com/advisories/19955

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