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Vulnerability Details : CVE-2009-1338

The kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary signals to all processes in all namespaces, via a kill command.
Publish Date : 2009-04-22 Last Update Date : 2012-03-19
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Vendor Statements

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5. It was addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-1081.html .
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C 2009-04-16 2008-10-29
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- Related OVAL Definitions

Title Definition Id Class Family
DSA-1787-1 linux-2.6.24 -- denial of service/privilege escalation/information leak oval:org.mitre.oval:def:13537 unix
DSA-1800 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:8300 unix
DSA-1800-1 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:13750 unix
USN-793-1 -- linux, linux-source-2.6.15 vulnerabilities oval:org.mitre.oval:def:13579 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-1338

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.2.27 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.4.36 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.4.36.1 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.4.36.2 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.4.36.3 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.4.36.4 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.4.36.5 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.4.36.6 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.6 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.6.18 RC4 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.6.18 RC7 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.6.18 RC1 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.6.18 RC2 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.6.18 RC5 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.6.18 Version Details Vulnerabilities
16 OS Linux Linux Kernel 2.6.18 RC3 Version Details Vulnerabilities
17 OS Linux Linux Kernel 2.6.18 RC6 Version Details Vulnerabilities
18 OS Linux Linux Kernel 2.6.19.4 Version Details Vulnerabilities
19 OS Linux Linux Kernel 2.6.19.5 Version Details Vulnerabilities
20 OS Linux Linux Kernel 2.6.19.6 Version Details Vulnerabilities
21 OS Linux Linux Kernel 2.6.19.7 Version Details Vulnerabilities
22 OS Linux Linux Kernel 2.6.20.16 Version Details Vulnerabilities
23 OS Linux Linux Kernel 2.6.20.17 Version Details Vulnerabilities
24 OS Linux Linux Kernel 2.6.20.18 Version Details Vulnerabilities
25 OS Linux Linux Kernel 2.6.20.19 Version Details Vulnerabilities
26 OS Linux Linux Kernel 2.6.20.20 Version Details Vulnerabilities
27 OS Linux Linux Kernel 2.6.20.21 Version Details Vulnerabilities
28 OS Linux Linux Kernel 2.6.21.5 Version Details Vulnerabilities
29 OS Linux Linux Kernel 2.6.21.6 Version Details Vulnerabilities
30 OS Linux Linux Kernel 2.6.21.7 Version Details Vulnerabilities
31 OS Linux Linux Kernel 2.6.22 Rc1 Version Details Vulnerabilities
32 OS Linux Linux Kernel 2.6.22 Version Details Vulnerabilities
33 OS Linux Linux Kernel 2.6.22 Rc7 Version Details Vulnerabilities
34 OS Linux Linux Kernel 2.6.22.1 Version Details Vulnerabilities
35 OS Linux Linux Kernel 2.6.22.2 Version Details Vulnerabilities
36 OS Linux Linux Kernel 2.6.22.8 Version Details Vulnerabilities
37 OS Linux Linux Kernel 2.6.22.9 Version Details Vulnerabilities
38 OS Linux Linux Kernel 2.6.22.10 Version Details Vulnerabilities
39 OS Linux Linux Kernel 2.6.22.11 Version Details Vulnerabilities
40 OS Linux Linux Kernel 2.6.22.12 Version Details Vulnerabilities
41 OS Linux Linux Kernel 2.6.22.13 Version Details Vulnerabilities
42 OS Linux Linux Kernel 2.6.22.14 Version Details Vulnerabilities
43 OS Linux Linux Kernel 2.6.22.15 Version Details Vulnerabilities
44 OS Linux Linux Kernel 2.6.22.17 Version Details Vulnerabilities
45 OS Linux Linux Kernel 2.6.22.18 Version Details Vulnerabilities
46 OS Linux Linux Kernel 2.6.22.19 Version Details Vulnerabilities
47 OS Linux Linux Kernel 2.6.22.20 Version Details Vulnerabilities
48 OS Linux Linux Kernel 2.6.22.21 Version Details Vulnerabilities
49 OS Linux Linux Kernel 2.6.22.22 Version Details Vulnerabilities
50 OS Linux Linux Kernel 2.6.23 Version Details Vulnerabilities
51 OS Linux Linux Kernel 2.6.23 Rc1 Version Details Vulnerabilities
52 OS Linux Linux Kernel 2.6.23.8 Version Details Vulnerabilities
53 OS Linux Linux Kernel 2.6.23.9 Version Details Vulnerabilities
54 OS Linux Linux Kernel 2.6.23.10 Version Details Vulnerabilities
55 OS Linux Linux Kernel 2.6.23.11 Version Details Vulnerabilities
56 OS Linux Linux Kernel 2.6.23.12 Version Details Vulnerabilities
57 OS Linux Linux Kernel 2.6.23.13 Version Details Vulnerabilities
58 OS Linux Linux Kernel 2.6.23.15 Version Details Vulnerabilities
59 OS Linux Linux Kernel 2.6.23.16 Version Details Vulnerabilities
60 OS Linux Linux Kernel 2.6.23.17 Version Details Vulnerabilities
61 OS Linux Linux Kernel 2.6.24 Version Details Vulnerabilities
62 OS Linux Linux Kernel 2.6.24 Rc4 Version Details Vulnerabilities
63 OS Linux Linux Kernel 2.6.24 Rc5 Version Details Vulnerabilities
64 OS Linux Linux Kernel 2.6.24 Rc1 Version Details Vulnerabilities
65 OS Linux Linux Kernel 2.6.24.1 Version Details Vulnerabilities
66 OS Linux Linux Kernel 2.6.24.2 Version Details Vulnerabilities
67 OS Linux Linux Kernel 2.6.24.3 Version Details Vulnerabilities
68 OS Linux Linux Kernel 2.6.24.4 Version Details Vulnerabilities
69 OS Linux Linux Kernel 2.6.24.5 Version Details Vulnerabilities
70 OS Linux Linux Kernel 2.6.24.6 Version Details Vulnerabilities
71 OS Linux Linux Kernel 2.6.24.7 Version Details Vulnerabilities
72 OS Linux Linux Kernel 2.6.25 Version Details Vulnerabilities
73 OS Linux Linux Kernel 2.6.25 X86 64 Version Details Vulnerabilities
74 OS Linux Linux Kernel 2.6.25.1 Version Details Vulnerabilities
75 OS Linux Linux Kernel 2.6.25.1 X86 64 Version Details Vulnerabilities
76 OS Linux Linux Kernel 2.6.25.2 X86 64 Version Details Vulnerabilities
77 OS Linux Linux Kernel 2.6.25.2 Version Details Vulnerabilities
78 OS Linux Linux Kernel 2.6.25.3 X86 64 Version Details Vulnerabilities
79 OS Linux Linux Kernel 2.6.25.3 Version Details Vulnerabilities
80 OS Linux Linux Kernel 2.6.25.4 Version Details Vulnerabilities
81 OS Linux Linux Kernel 2.6.25.4 X86 64 Version Details Vulnerabilities
82 OS Linux Linux Kernel 2.6.25.5 Version Details Vulnerabilities
83 OS Linux Linux Kernel 2.6.25.5 X86 64 Version Details Vulnerabilities
84 OS Linux Linux Kernel 2.6.25.6 X86 64 Version Details Vulnerabilities
85 OS Linux Linux Kernel 2.6.25.6 Version Details Vulnerabilities
86 OS Linux Linux Kernel 2.6.25.7 X86 64 Version Details Vulnerabilities
87 OS Linux Linux Kernel 2.6.25.7 Version Details Vulnerabilities
88 OS Linux Linux Kernel 2.6.25.8 X86 64 Version Details Vulnerabilities
89 OS Linux Linux Kernel 2.6.25.8 Version Details Vulnerabilities
90 OS Linux Linux Kernel 2.6.25.9 Version Details Vulnerabilities
91 OS Linux Linux Kernel 2.6.25.9 X86 64 Version Details Vulnerabilities
92 OS Linux Linux Kernel 2.6.25.10 X86 64 Version Details Vulnerabilities
93 OS Linux Linux Kernel 2.6.25.10 Version Details Vulnerabilities
94 OS Linux Linux Kernel 2.6.25.11 X86 64 Version Details Vulnerabilities
95 OS Linux Linux Kernel 2.6.25.11 Version Details Vulnerabilities
96 OS Linux Linux Kernel 2.6.25.12 X86 64 Version Details Vulnerabilities
97 OS Linux Linux Kernel 2.6.25.12 Version Details Vulnerabilities
98 OS Linux Linux Kernel 2.6.25.13 Version Details Vulnerabilities
99 OS Linux Linux Kernel 2.6.25.14 Version Details Vulnerabilities
100 OS Linux Linux Kernel 2.6.25.15 Version Details Vulnerabilities
101 OS Linux Linux Kernel 2.6.25.16 Version Details Vulnerabilities
102 OS Linux Linux Kernel 2.6.25.17 Version Details Vulnerabilities
103 OS Linux Linux Kernel 2.6.26 Version Details Vulnerabilities
104 OS Linux Linux Kernel 2.6.26.1 Version Details Vulnerabilities
105 OS Linux Linux Kernel 2.6.26.2 Version Details Vulnerabilities
106 OS Linux Linux Kernel 2.6.26.3 Version Details Vulnerabilities
107 OS Linux Linux Kernel 2.6.26.4 Version Details Vulnerabilities
108 OS Linux Linux Kernel 2.6.26.5 Version Details Vulnerabilities
109 OS Linux Linux Kernel 2.6.27 Version Details Vulnerabilities
110 OS Linux Linux Kernel 2.6.27.1 Version Details Vulnerabilities
111 OS Linux Linux Kernel 2.6.27.2 Version Details Vulnerabilities
112 OS Linux Linux Kernel 2.6.27.3 Version Details Vulnerabilities
113 OS Linux Linux Kernel 2.6.27.4 Version Details Vulnerabilities
114 OS Linux Linux Kernel 2.6.27.5 Version Details Vulnerabilities
115 OS Linux Linux Kernel 2.6.27.6 Version Details Vulnerabilities
116 OS Linux Linux Kernel 2.6.27.7 Version Details Vulnerabilities
117 OS Linux Linux Kernel 2.6.27.8 Version Details Vulnerabilities
118 OS Linux Linux Kernel 2.6.27.9 Version Details Vulnerabilities
119 OS Linux Linux Kernel 2.6.27.10 Version Details Vulnerabilities
120 OS Linux Linux Kernel 2.6.27.11 Version Details Vulnerabilities
121 OS Linux Linux Kernel 2.6.27.12 Version Details Vulnerabilities
122 OS Linux Linux Kernel 2.6.27.13 Version Details Vulnerabilities
123 OS Linux Linux Kernel 2.6.27.14 Version Details Vulnerabilities
124 OS Linux Linux Kernel 2.6.27.15 Version Details Vulnerabilities
125 OS Linux Linux Kernel 2.6.27.16 Version Details Vulnerabilities
126 OS Linux Linux Kernel 2.6.27.17 Version Details Vulnerabilities
127 OS Linux Linux Kernel 2.6.27.18 Version Details Vulnerabilities
128 OS Linux Linux Kernel 2.6.27.19 Version Details Vulnerabilities
129 OS Linux Linux Kernel 2.6.27.20 Version Details Vulnerabilities
130 OS Linux Linux Kernel 2.6.27.21 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 130

- References For CVE-2009-1338

http://secunia.com/advisories/34981
SECUNIA 34981
http://secunia.com/advisories/35656
SECUNIA 35656
http://www.debian.org/security/2009/dsa-1787
DEBIAN DSA-1787
http://wiki.rpath.com/Advisories:rPSA-2009-0084 CONFIRM
http://secunia.com/advisories/35121
SECUNIA 35121
http://secunia.com/advisories/35343
SECUNIA 35343
http://www.debian.org/security/2009/dsa-1800
DEBIAN DSA-1800
http://www.openwall.com/lists/oss-security/2009/04/16/2
MLIST [oss-security] 20090416 CVE request: kernel: 'kill sig -1' must only apply to caller's PID namespace
http://www.openwall.com/lists/oss-security/2009/04/17/4
MLIST [oss-security] 20090417 Re: CVE request: kernel: 'kill sig -1' must only apply to caller's PID namespace
http://www.ubuntu.com/usn/usn-793-1
UBUNTU USN-793-1
http://www.securityfocus.com/archive/1/archive/1/503610/100/0/threaded
BUGTRAQ 20090516 rPSA-2009-0084-1 kernel
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d25141a818383b3c3b09f065698c544a7a0ec6e7 CONFIRM
http://www.openwall.com/lists/oss-security/2009/04/21/1
MLIST [oss-security] 20090421 Re: CVE request: kernel: 'kill sig -1' must only apply to caller's PID namespace
http://www.redhat.com/support/errata/RHSA-2009-1081.html
REDHAT RHSA-2009:1081
http://xforce.iss.net/xforce/xfdb/50386
XF kernel-killsomethinginfo-security-bypass(50386)
http://secunia.com/advisories/35120
SECUNIA 35120
http://lkml.org/lkml/2008/7/23/148
MLIST [linux-kernel] 20080723 Re: [PATCH 1/2] signals: kill(-1) should only signal processes in the same namespace
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=496031 CONFIRM

- Metasploit Modules Related To CVE-2009-1338

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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