Linux kernel 2.6 and 2.4 on the IA64 architecture allows local users to cause a denial of service (kernel crash) via ptrace and the restore_sigcontext function.

References

• https://nvd.nist.gov/vuln/detail/CVE-2005-1761
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10487
• http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4ea78729b8dbfc400fe165a57b90a394a7275a54
• http://secunia.com/advisories/17002
• http://secunia.com/advisories/17073
• http://secunia.com/advisories/18056
• http://secunia.com/advisories/19369
• http://securitytracker.com/id?1014275
• http://www.debian.org/security/2005/dsa-922
• http://www.debian.org/security/2006/dsa-1018
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.1
• http://www.novell.com/linux/security/advisories/2005_44_kernel.html
• http://www.redhat.com/support/errata/RHSA-2005-514.html
• http://www.redhat.com/support/errata/RHSA-2005-551.html
• http://www.redhat.com/support/errata/RHSA-2005-663.html
• http://www.securityfocus.com/archive/1/427980/100/0/threaded
• http://www.securityfocus.com/bid/14051
• http://www.vupen.com/english/advisories/2005/1878
• http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4ea78729b8dbfc400fe165a57b90a394a7275a54