Vulnerability in Linux Kernel
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- R0B1NL1N/linux-kernel-exploitation
- Technoashofficial/kernel-exploitation-linux
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
- khanhhdz06/linux-kernel-exploitation
- khanhnd123/linux-kernel-exploitation
References
- www.redhat.com/support/errata/RHSA-2007-0937.html (vendor-advisory)
- secunia.com/advisories/27212 (third-party-advisory)
- secunia.com/advisories/27227 (third-party-advisory)
- www.redhat.com/support/errata/RHSA-2007-0938.html (vendor-advisory)
- www.novell.com/linux/security/advisories/2007_53_kernel.html (vendor-advisory)
- securitytracker.com/id (vdb-entry)
- secunia.com/advisories/26953 (third-party-advisory)
- fedoranews.org/updates/FEDORA-2007-229.shtml (vendor-advisory)
- www.securityfocus.com/archive/1/480451/100/0/threaded (mailing-list)
- secunia.com/advisories/26978 (third-party-advisory)
Frequently asked questions
- What is CVE-2007-4573?
- CVE-2007-4573 is a vulnerability in Linux Kernel, classified under CWE-264. Published 2007-09-24.
- Is CVE-2007-4573 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.