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Vulnerability Details : CVE-2008-4302

fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to_page_cache_lru function, and subsequently attempts to unlock a page that was not locked, which allows local users to cause a denial of service (kernel BUG and system crash), as demonstrated by the fio I/O tool.
Publish Date : 2008-09-29 Last Update Date : 2012-03-19
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
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 None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Vendor Statements

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2008-0957.html
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2008-09-16 2007-07-20
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- Related OVAL Definitions

Title Definition Id Class Family
DSA-1653 linux-2.6 -- denial of service/privilege escalation oval:org.mitre.oval:def:7921 unix
DSA-1653-1 fai-kernels linux-2.6 user-mode-linux - several vulnerabilities oval:org.mitre.oval:def:20290 unix
ELSA-2008:0957: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21746 unix
fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to... oval:org.mitre.oval:def:10547 unix
RHSA-2008:0957: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20080957 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-2008-4302

# 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 RC6 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.6.18 RC2 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.6.18 RC7 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.6.18 RC3 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.6.18 RC5 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.6.18 RC4 Version Details Vulnerabilities
16 OS Linux Linux Kernel 2.6.18 Version Details Vulnerabilities
17 OS Linux Linux Kernel 2.6.18 RC1 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 2.6.22.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 31

- References For CVE-2008-4302

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
SUSE SUSE-SR:2008:025
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.2 CONFIRM
http://secunia.com/advisories/32237
SECUNIA 32237
http://lkml.org/lkml/2007/7/20/168
MLIST [linux-kernel] 20070720 [PATCH] splice: fix bad unlock_page() in error case
http://secunia.com/advisories/32485
SECUNIA 32485
http://www.securityfocus.com/bid/31201
BID 31201 Linux Kernel 'add_to_page_cache_lru()' Local Denial of Service Vulnerability Release Date:2008-11-15
http://www.redhat.com/support/errata/RHSA-2008-0957.html
REDHAT RHSA-2008:0957
http://www.openwall.com/lists/oss-security/2008/09/16/10
MLIST [oss-security] 20080916 CVE request: kernel: splice: fix bad unlock_page() in error case
http://secunia.com/advisories/32759
SECUNIA 32759
https://bugzilla.redhat.com/show_bug.cgi?id=462434 CONFIRM
http://xforce.iss.net/xforce/xfdb/45191
XF linux-kernel-addtopagecachelru-dos(45191)
http://www.debian.org/security/2008/dsa-1653
DEBIAN DSA-1653
http://www.juniper.net/security/auto/vulnerabilities/vuln31201.html
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=6a860c979b35469e4d77da781a96bdb2ca05ae64 CONFIRM

- Metasploit Modules Related To CVE-2008-4302

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


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