CVE-2006-3741

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-10-10 · updated 2026-06-16

Description

The perfmonctl system call (sys_perfmonctl) in Linux kernel 2.4.x and 2.6 before 2.6.18, when running on Itanium systems, does not properly track the reference count for file descriptors, which allows local users to cause a denial of service (file descriptor consumption).

Affected products

Linux kernel: 2.4.0, 2.4.0-test1, 2.4.0-test10, 2.4.0-test11, 2.4.0-test12, 2.4.0-test2 (+262)

References

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204360
http://secunia.com/advisories/22279
http://secunia.com/advisories/22292
http://secunia.com/advisories/22382
http://secunia.com/advisories/22945
http://secunia.com/advisories/23370
http://secunia.com/advisories/23474
http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b8444d00762703e1b6146fce12ce2684885f8bf6
http://www.mandriva.com/security/advisories?name=MDKSA-2006:182
http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
http://www.novell.com/linux/security/advisories/2006_79_kernel.html

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