#VU91073 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2007-4573

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Main Vulnerability Database Vulnerabilities #VU91073

#VU91073 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2007-4573

Published: June 4, 2024


Vulnerability identifier: #VU91073
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2007-4573
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the IA32 system call emulation functionality in Linux kernel, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used. A local user can use the %RAX register to escalate privileges on the system.


Remediation

Install updates from vendor's website.

External links