CVE-2005-3106

Severity: medium (CVSS 4.7 v3.1)
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: 2005-09-30 · updated 2026-06-16
Weakness: CWE-667

Description

Race condition in Linux 2.6, when threads are sharing memory mapping via CLONE_VM (such as linuxthreads and vfork), might allow local users to cause a denial of service (deadlock) by triggering a core dump while waiting for a thread that has just performed an exec.

Affected products

Canonical Ubuntu Linux: 4.10, 5.04
Debian Linux: 3.1
Linux kernel: 2.6.0

References

http://linux.bkbits.net:8080/linux-2.6/diffs/fs/exec.c%401.156?nav=index.html%7Csrc/%7Csrc/fs%7Chist/fs/exec.c
http://secunia.com/advisories/17141
http://secunia.com/advisories/18056
http://secunia.com/advisories/18510
http://www.debian.org/security/2005/dsa-922
http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
http://www.redhat.com/support/errata/RHSA-2006-0101.html
http://www.securityfocus.com/archive/1/427980/100/0/threaded
http://www.securityfocus.com/bid/15049
http://www.ubuntu.com/usn/usn-199-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9108
http://linux.bkbits.net:8080/linux-2.6/diffs/fs/exec.c%401.156?nav=index.html%7Csrc/%7Csrc/fs%7Chist/fs/exec.c

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