CVE-2010-4243
First published: Fri Aug 20 2010(Updated: )
Description of problem: This issue was mentioned in <a href="http://grsecurity.net/~spender/64bit_dos.c">http://grsecurity.net/~spender/64bit_dos.c</a>. Written in the comments: "The second bug here is that the memory usage explodes within the kernel from a single 128k allocation in userland The explosion of memory isn't accounted for by any task so it won't be terminated by the OOM killer." Acknowledgements: Red Hat would like to thank Brad Spengler for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <2.6.37 | |
| debian/linux-2.6 | ||
| debian/user-mode-linux |
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Reference Links
- http://openwall.com/lists/oss-security/2010/11/22/6
- https://bugzilla.redhat.com/show_bug.cgi?id=625688
- http://lkml.org/lkml/2010/8/30/138
- http://lkml.org/lkml/2010/8/30/378
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37
- http://www.exploit-db.com/exploits/15619
- http://lkml.org/lkml/2010/8/27/429
- http://openwall.com/lists/oss-security/2010/11/22/15
- http://linux.derkeiler.com/Mailing-Lists/Kernel/2010-11/msg13278.html
- http://grsecurity.net/~spender/64bit_dos.c
- http://lkml.org/lkml/2010/8/29/206
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://secunia.com/advisories/42884
- http://www.securityfocus.com/bid/45004
- http://secunia.com/advisories/46397
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64700
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c77f845722158206a7209c45ccddc264d19319c
- https://launchpad.net/bugs/cve/CVE-2010-4243
- http://lkml.org/lkml/2010/8/30/463
- http://www.openwall.com/lists/oss-security/2010/08/27/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=443659
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=645222
- http://lkml.org/lkml/2010/10/24/207
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=625688#c15
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=625688#c16
- https://rhn.redhat.com/errata/RHSA-2011-0017.html
- https://rhn.redhat.com/errata/RHSA-2011-0283.html
- https://rhn.redhat.com/errata/RHSA-2011-1253.html
- https://security-tracker.debian.org/tracker/CVE-2010-4243
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4243
- https://nvd.nist.gov/vuln/detail/CVE-2010-4243
- https://ubuntu.com/security/CVE-2010-4243
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