CVE-2011-1593

Public Exploit

Description

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.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory secunia.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-1146-1 third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4 release notes vendor advisory
http://secunia.com/advisories/44164 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=697822 issue tracking third party advisory patch
http://rhn.redhat.com/errata/RHSA-2011-0927.html third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66876 vdb entry third party advisory
http://openwall.com/lists/oss-security/2011/04/19/1 mailing list third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d8bdc59f215e62098bc5b4256fd9928bf27053a1
http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source mailing list exploit third party advisory
http://www.securityfocus.com/bid/47497 vdb entry third party advisory
http://securitytracker.com/id?1025420 vdb entry third party advisory
http://openwall.com/lists/oss-security/2011/04/20/1 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2011-1593?
CVE-2011-1593 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1593?
To fix CVE-2011-1593, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1593 being actively exploited in the wild?
It is possible that CVE-2011-1593 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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