A certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 4 on the ia64 platform allows local users to use ptrace on an arbitrary process, and consequently gain privileges, via vectors related to a missing ptrace_check_attach call.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (03/17/2010)
Red Hat is aware of this issue and is tracking it via the following bug:
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 5 or Red Hat Enterprise MRG, as they do not include the internal change introducing this flaw. A future update in Red Hat Enterprise Linux 4 may address this flaw.
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[oss-security] 20100312 CVE-2010-0729 kernel: ia64: ptrace: peek_or_poke requests miss ptrace_check_attach()
References to Check Content
Vulnerable software and versions