CVE-2010-4243

Public Exploit

Description

fs/exec.c in the Linux kernel before 2.6.37 does not enable the OOM Killer to assess use of stack memory by arrays representing the (1) arguments and (2) environment, which allows local users to cause a denial of service (memory consumption) via a crafted exec system call, aka an "OOM dodging issue," a related issue to CVE-2010-3858.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://openwall.com/lists/oss-security/2010/11/22/6 third party advisory mailing list
http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing list vdb entry third party advisory
http://www.redhat.com/support/errata/RHSA-2011-0017.html third party advisory vendor advisory
http://secunia.com/advisories/46397 third party advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37 broken link
https://bugzilla.redhat.com/show_bug.cgi?id=625688 issue tracking third party advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64700 vdb entry
http://lkml.org/lkml/2010/8/30/378 third party advisory mailing list
http://www.exploit-db.com/exploits/15619 exploit vdb entry third party advisory
http://linux.derkeiler.com/Mailing-Lists/Kernel/2010-11/msg13278.html mailing list broken link
http://openwall.com/lists/oss-security/2010/11/22/15 third party advisory mailing list
http://www.vmware.com/security/advisories/VMSA-2011-0012.html third party advisory
http://secunia.com/advisories/42884 third party advisory
http://lkml.org/lkml/2010/8/27/429 mailing list third party advisory patch
http://lkml.org/lkml/2010/8/30/138 mailing list third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c77f845722158206a7209c45ccddc264d19319c
http://grsecurity.net/~spender/64bit_dos.c broken link
http://lkml.org/lkml/2010/8/29/206 mailing list third party advisory patch
http://www.securityfocus.com/bid/45004 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2010-4243?
CVE-2010-4243 has been scored as a medium severity vulnerability.
How to fix CVE-2010-4243?
To fix CVE-2010-4243, 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-2010-4243 being actively exploited in the wild?
It is possible that CVE-2010-4243 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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