Description

The clone system call in the Linux kernel 2.6.28 and earlier allows local users to send arbitrary signals to a parent process from an unprivileged child process by launching an additional child process with the CLONE_PARENT flag, and then letting this new process exit.

References

http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html

http://osvdb.org/52204

http://rhn.redhat.com/errata/RHSA-2009-0459.html

http://scary.beasts.org/security/CESA-2009-002.html

http://scarybeastsecurity.blogspot.com/2009/02/linux-kernel-minor-signal-vulnerability.html

http://secunia.com/advisories/33758

http://secunia.com/advisories/34033

http://secunia.com/advisories/34680

http://secunia.com/advisories/34917

http://secunia.com/advisories/34962

http://secunia.com/advisories/34981

http://secunia.com/advisories/35011

http://secunia.com/advisories/35120

http://secunia.com/advisories/35121

http://secunia.com/advisories/35390

http://secunia.com/advisories/35394

http://secunia.com/advisories/37471

http://wiki.rpath.com/Advisories:rPSA-2009-0084

http://www.debian.org/security/2009/dsa-1787

http://www.debian.org/security/2009/dsa-1794

http://www.debian.org/security/2009/dsa-1800

http://www.mandriva.com/security/advisories?name=MDVSA-2009:118

http://www.redhat.com/support/errata/RHSA-2009-0326.html

http://www.redhat.com/support/errata/RHSA-2009-0451.html

http://www.securityfocus.com/archive/1/503610/100/0/threaded

http://www.securityfocus.com/archive/1/507985/100/0/threaded

http://www.securityfocus.com/bid/33906

http://www.ubuntu.com/usn/usn-751-1

http://www.vmware.com/security/advisories/VMSA-2009-0016.html

http://www.vupen.com/english/advisories/2009/3316

https://bugzilla.redhat.com/show_bug.cgi?id=479932

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11187

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7947

Details

Risk Information

CVSS v2