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.
Published 2007-09-24 22:17:00
Updated 2018-10-15 21:36:25
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2007-4573

Exploit prediction scoring system (EPSS) score for CVE-2007-4573

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-4573

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST

CWE ids for CVE-2007-4573

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2007-4573

  • Red Hat 2007-09-27
    This issue affected users who were running 64-bit versions of Red Hat Enterprise Linux 3, 4, or 5 on x86_64 architecture. It did not affect users of Red Hat Enterprise Linux 2.1. Updates are available for Red Hat Enterprise Linux 3, 4, and 5 to correct this issue. New kernel packages along with our advisory are available at the URL below as well as via the Red Hat Network. http://rhn.redhat.com/errata/CVE-2007-4573.html

References for CVE-2007-4573

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