CVE-2012-2383: Integer Overflow
First published: Tue May 22 2012(Updated: )
Description of the problem: On 32-bit systems, a large args->buffer_count from userspace via ioctl may overflow the allocation size, leading to out-of-bounds access. References: <a href="http://www.openwall.com/lists/oss-security/2012/05/21/1">http://www.openwall.com/lists/oss-security/2012/05/21/1</a> Upstream fix: <a href="http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ed8cd3b2cd61004cab85380c52b1817aca1ca49b">http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ed8cd3b2cd61004cab85380c52b1817aca1ca49b</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=3.3.4 | |
| Linux Linux kernel | =3.3 | |
| Linux Linux kernel | =3.3-rc1 | |
| Linux Linux kernel | =3.3-rc2 | |
| Linux Linux kernel | =3.3-rc3 | |
| Linux Linux kernel | =3.3-rc4 | |
| Linux Linux kernel | =3.3-rc5 | |
| Linux Linux kernel | =3.3-rc6 | |
| Linux Linux kernel | =3.3-rc7 | |
| Linux Linux kernel | =3.3.1 | |
| Linux Linux kernel | =3.3.2 | |
| Linux Linux kernel | =3.3.3 | |
| debian/linux-2.6 |
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Reference Links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed8cd3b2cd61004cab85380c52b1817aca1ca49b
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://rhn.redhat.com/errata/RHSA-2012-1156.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.5
- http://www.openwall.com/lists/oss-security/2012/05/22/8
- http://www.securityfocus.com/bid/53971
- https://bugzilla.redhat.com/show_bug.cgi?id=824176
- https://github.com/torvalds/linux/commit/ed8cd3b2cd61004cab85380c52b1817aca1ca49b
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- https://launchpad.net/bugs/cve/CVE-2012-2383
- http://www.openwall.com/lists/oss-security/2012/05/21/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ed8cd3b2cd61004cab85380c52b1817aca1ca49b
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=824176#c1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=824176#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=824176#c5
- https://rhn.redhat.com/errata/RHSA-2012-1156.html
- https://security-tracker.debian.org/tracker/CVE-2012-2383
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2383
- https://nvd.nist.gov/vuln/detail/CVE-2012-2383
- https://ubuntu.com/security/CVE-2012-2383
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