CVE-2007-4573

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.

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.82% chance of exploitation in the next 30 days, 57th percentile

Published

2007-09-24

Updated

2024-08-07

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/30604
• https://www.exploit-db.com/exploits/4460

Security advisories

• http://lkml.org/lkml/2007/9/21/512
• 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.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/bid/25774
• http://www.ubuntu.com/usn/usn-518-1

References

• CVE Record
• NVD entry