CVE-2010-2538: Integer Overflow
First published: Thu Sep 30 2010(Updated: )
Integer overflow in the btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the Linux kernel before 2.6.35 might allow local users to obtain sensitive information via a BTRFS_IOC_CLONE_RANGE ioctl call.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux Kernel | <2.6.35 | |
| Ubuntu Linux | =9.10 | |
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =10.10 | |
| SUSE Linux Enterprise Desktop with Beagle | =11-sp1 | |
| SUSE Linux Enterprise High Availability | =11-sp1 | |
| SUSE Linux Enterprise Server | =11-sp1 | |
| Ubuntu | =9.10 | |
| Ubuntu | =10.04 | |
| Ubuntu | =10.10 |
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Reference Links
- http://www.securityfocus.com/bid/41854
- http://secunia.com/advisories/42758
- http://www.vupen.com/english/advisories/2011/0070
- https://bugzilla.redhat.com/show_bug.cgi?id=616998
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://www.ubuntu.com/usn/USN-1041-1
- http://www.openwall.com/lists/oss-security/2010/07/21/4
- http://www.openwall.com/lists/oss-security/2010/07/21/10
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ebc3464781ad24474abcbd2274e6254689853b5
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
- https://launchpad.net/bugs/cve/CVE-2010-2538
- https://security-tracker.debian.org/tracker/CVE-2010-2538
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2538
- https://nvd.nist.gov/vuln/detail/CVE-2010-2538
- https://ubuntu.com/security/CVE-2010-2538
Frequently Asked Questions
What is the severity of CVE-2010-2538?
CVE-2010-2538 is classified as a medium severity vulnerability.
How do I fix CVE-2010-2538?
To fix CVE-2010-2538, upgrade to a version of the Linux kernel that is higher than 2.6.35.
What systems are affected by CVE-2010-2538?
CVE-2010-2538 affects various versions of the Linux kernel, including those used by Debian and Ubuntu distributions.
What type of attack does CVE-2010-2538 facilitate?
CVE-2010-2538 may allow local users to obtain sensitive information via a BTRFS_IOC_CLONE_RANGE ioctl call.
Is CVE-2010-2538 still exploitable in recent Linux kernels?
CVE-2010-2538 is not exploitable in Linux kernels after version 2.6.35.
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