Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2007-0771

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
02/05/2007
Last modified:
09/04/2025

Description

The utrace support in Linux kernel 2.6.18, and other versions, allows local users to cause a denial of service (system hang) related to "MT exec + utrace_attach spin failure mode," as demonstrated by ptrace-thrash.c.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.18.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:desktop:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:desktop_workstation:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:server:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools