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Vulnerability Details : CVE-2011-1593

Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.
Publish Date : 2011-05-03 Last Update Date : 2020-08-05
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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 ServiceOverflow
CWE ID 190

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.7
AV:L/AC:M/Au:N/C:N/I:N/A:C 2011-04-13 2011-04-13
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1593 oval:org.opensuse.security:def:20111593 unix
DEPRECATED: ELSA-2011-1189 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:28043 unix
DEPRECATED: ELSA-2011-0927 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27865 unix
DSA-2240-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:13013 unix
DSA-2264-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:12997 unix
ELSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23330 unix
ELSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23636 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21896 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20110927 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:22054 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111189 unix
VMware ESXi and ESX updates to third party library and ESX Service Console oval:org.mitre.oval:def:19700 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-2011-1593

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 8.04 * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 5.0 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux Aus 5.6 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Desktop 5.0 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Eus 5.6 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server 5.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Workstation 5.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 1
Linux Linux Kernel 1
Redhat Enterprise Linux 1
Redhat Enterprise Linux Aus 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Eus 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2011-1593

https://bugzilla.redhat.com/show_bug.cgi?id=697822 CONFIRM
http://rhn.redhat.com/errata/RHSA-2011-0927.html
REDHAT RHSA-2011:0927
http://www.ubuntu.com/usn/USN-1146-1
UBUNTU USN-1146-1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8bdc59f215e62098bc5b4256fd9928bf27053a1 CONFIRM
http://www.securityfocus.com/bid/47497
BID 47497 Linux Kernel 'next_pidmap()' Local Denial of Service Vulnerability Release Date:2014-01-25
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b CONFIRM
http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source
MLIST [linux-kernel] 20110418 Re: Kernel panic (NULL ptr deref?) in find_ge_pid()/next_pidmap() (via sys_getdents or sys_readdir)
http://openwall.com/lists/oss-security/2011/04/20/1
MLIST [oss-security] 20110420 Re: CVE request -- kernel: proc: signedness issue in next_pidmap()
http://securitytracker.com/id?1025420
SECTRACK 1025420
http://openwall.com/lists/oss-security/2011/04/19/1
MLIST [oss-security] 20110419 CVE request -- kernel: proc: signedness issue in next_pidmap()
http://secunia.com/advisories/44164
SECUNIA 44164
https://exchange.xforce.ibmcloud.com/vulnerabilities/66876
XF kernel-nextpidmap-dos(66876)

- Metasploit Modules Related To CVE-2011-1593

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


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