CVE-2007-4573

HIGH

Description

The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.

References

http://fedoranews.org/updates/FEDORA-2007-229.shtml

http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35.3

http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html

http://lkml.org/lkml/2007/9/21/512

http://lkml.org/lkml/2007/9/21/513

http://marc.info/?l=full-disclosure&m=119062587407908&w=2

http://secunia.com/advisories/26917

http://secunia.com/advisories/26919

http://secunia.com/advisories/26934

http://secunia.com/advisories/26953

http://secunia.com/advisories/26955

http://secunia.com/advisories/26978

http://secunia.com/advisories/26994

http://secunia.com/advisories/26995

http://secunia.com/advisories/27212

http://secunia.com/advisories/27227

http://secunia.com/advisories/27912

http://secunia.com/advisories/29058

http://securitytracker.com/id?1018748

http://www.debian.org/security/2007/dsa-1378

http://www.debian.org/security/2007/dsa-1381

http://www.debian.org/security/2008/dsa-1504

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.7

http://www.mandriva.com/security/advisories?name=MDKSA-2007:195

http://www.mandriva.com/security/advisories?name=MDKSA-2007:196

http://www.mandriva.com/security/advisories?name=MDVSA-2008:008

http://www.mandriva.com/security/advisories?name=MDVSA-2008:105

http://www.novell.com/linux/security/advisories/2007_53_kernel.html

http://www.redhat.com/support/errata/RHSA-2007-0936.html

http://www.redhat.com/support/errata/RHSA-2007-0937.html

http://www.redhat.com/support/errata/RHSA-2007-0938.html

http://www.securityfocus.com/archive/1/480451/100/0/threaded

http://www.securityfocus.com/archive/1/480705/100/0/threaded

http://www.securityfocus.com/bid/25774

http://www.ubuntu.com/usn/usn-518-1

http://www.vupen.com/english/advisories/2007/3246

https://issues.rpath.com/browse/RPL-1754

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9735

https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00355.html

Details

Source: MITRE

Published: 2007-09-24

Updated: 2018-10-15

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C)

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH