CVE-2010-3296: Infoleak
First published: Mon Sep 13 2010(Updated: )
Description of problem: <a href="http://lkml.org/lkml/2010/9/11/170">http://lkml.org/lkml/2010/9/11/170</a> The CHELSIO_GET_QSET_NUM device ioctl allows unprivileged users to read 4 bytes of uninitialized stack memory, because the "addr" member of the ch_reg struct declared on the stack in cxgb_extension_ioctl() is not altered or zeroed before being copied back to the user. Acknowledgements: Red Hat would like to thank Dan Rosenberg for reporting this issue.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux Kernel | <2.6.36 | |
| Linux Kernel | =2.6.36 | |
| Linux Kernel | =2.6.36-rc1 | |
| Linux Kernel | =2.6.36-rc2 | |
| Linux Kernel | =2.6.36-rc3 | |
| Linux Kernel | =2.6.36-rc4 | |
| openSUSE | =11.1 | |
| SUSE Linux Enterprise Desktop with Beagle | =11 | |
| SUSE Linux Enterprise Desktop with Beagle | =11-sp1 | |
| SUSE Linux Enterprise Real Time Extension | =11-sp1 | |
| SUSE Linux Enterprise Server | =11 | |
| SUSE Linux Enterprise Server | =11-sp1 | |
| Debian GNU/Linux | =5.0 | |
| Ubuntu Linux | =9.10 | |
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =10.10 | |
| Debian | =5.0 | |
| Ubuntu | =9.10 | |
| Ubuntu | =10.04 | |
| Ubuntu | =10.10 |
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Reference Links
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://secunia.com/advisories/41440
- http://secunia.com/advisories/42758
- http://secunia.com/advisories/42884
- http://www.securityfocus.com/bid/43221
- http://secunia.com/advisories/46397
- http://www.vupen.com/english/advisories/2011/0070
- http://www.vupen.com/english/advisories/2011/0298
- http://www.debian.org/security/2010/dsa-2126
- https://bugzilla.redhat.com/show_bug.cgi?id=633149
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://www.ubuntu.com/usn/USN-1041-1
- http://lkml.org/lkml/2010/9/11/170
- http://www.openwall.com/lists/oss-security/2010/09/14/2
- http://www.openwall.com/lists/oss-security/2010/09/14/7
- http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=49c37c0334a9b85d30ab3d6b5d1acb05ef2ef6de
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc5
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://launchpad.net/bugs/cve/CVE-2010-3296
- https://rhn.redhat.com/errata/RHSA-2011-0017.html
- http://git.kernel.org/linus/49c37c0334a9b85d30ab3d6b5d1acb05ef2ef6de
- https://rhn.redhat.com/errata/RHSA-2011-0421.html
- https://security-tracker.debian.org/tracker/CVE-2010-3296
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3296
- https://nvd.nist.gov/vuln/detail/CVE-2010-3296
- https://ubuntu.com/security/CVE-2010-3296
Frequently Asked Questions
What is the severity of CVE-2010-3296?
CVE-2010-3296 has been classified as a medium severity vulnerability.
How do I fix CVE-2010-3296?
To fix CVE-2010-3296, it is recommended to apply the latest patches to the affected Linux kernel versions.
Which versions of Linux are affected by CVE-2010-3296?
CVE-2010-3296 affects Linux kernel versions up to 2.6.36 and specific distributions such as Debian, Ubuntu, and SUSE.
What type of vulnerability is CVE-2010-3296?
CVE-2010-3296 is a heap memory vulnerability that allows unprivileged users to access uninitialized stack memory.
What are the potential impacts of CVE-2010-3296?
Exploitation of CVE-2010-3296 could lead to information disclosure of sensitive data stored in memory.
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