CVE-2011-2707
kernel: exposure of sensitive information via a crafted PTRACE_SETXTREGS request
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 8, 2011
Updated · June 28, 2026
Description
A flaw was found in ptrace_setxregs in arch/xtensa/kernel/ptrace.c on the Xtensa architecture, where there was an arbitrary kernel read problem seen without a pre-address validation. This flaw allows an attacker with local access and special user privileges (of CAP_SYS_PTRACE) to cause a confidentiality breach, resulting in a denial of service. The highest threat from this vulnerability is to confidentiality and system availability.
Statement
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, 6 and Red Hat Enterprise MRG as they did not provide support for the Xtensa processor architecture.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor