CVE-2010-3904: Linux Kernel Improper Input Validation Vulnerability
First published: Thu Oct 14 2010(Updated: )
Description of problem: The handling functions for sending and receiving messages, in rds_page_copy_user(), use the unchecked __copy_*_user_inatomic functions without any access checks on user-provided pointers. As a result, by passing a kernel address as an iovec base address in recvmsg-style calls, a local user can overwrite arbitrary kernel memory, which can easily be used to escalate privileges to root. Introduced via 7875e18e (v2.6.30-rc1). Acknowledgements: Red Hat would like to thank Dan Rosenberg of Virtual Security Research for reporting this issue.
Credit: security@ubuntu.com security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux Linux kernel | <2.6.36 | |
| SUSE Linux Enterprise Desktop | =11-sp1 | |
| SUSE Linux Enterprise Server | =11-sp1 | |
| openSUSE openSUSE | =11.2 | |
| openSUSE openSUSE | =11.3 | |
| Suse Linux Enterprise Real Time Extension | =11-sp1 | |
| Canonical Ubuntu Linux | =10.10 | |
| Canonical Ubuntu Linux | =9.04 | |
| Canonical Ubuntu Linux | =9.10 | |
| Canonical Ubuntu Linux | =8.04 | |
| Canonical Ubuntu Linux | =10.04 | |
| Canonical Ubuntu Linux | =6.06 | |
| Linux kernel | ||
| Red Hat Enterprise Linux | =5.0 | |
| Red Hat Enterprise Linux | =6.0 | |
| VMware ESXi | =3.5 | |
| VMware ESXi | =4.0 | |
| VMware ESXi | =4.1 | |
| VMware ESXi | =5.0 |
Remedy
The impacted product is end-of-life and should be disconnected if still in use.
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Reference Links
- http://www.vsecurity.com/download/tools/linux-rds-exploit.c
- http://www.vsecurity.com/resources/advisory/20101019-1/
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=799c10559d60f159ab2232203f222f18fa3c4a5f
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
- https://bugzilla.redhat.com/show_bug.cgi?id=642896
- http://www.redhat.com/support/errata/RHSA-2010-0792.html
- http://www.redhat.com/support/errata/RHSA-2010-0842.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00008.html
- http://www.ubuntu.com/usn/USN-1000-1
- http://www.kb.cert.org/vuls/id/362983
- http://securitytracker.com/id?1024613
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://www.vupen.com/english/advisories/2011/0298
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://secunia.com/advisories/46397
- https://www.exploit-db.com/exploits/44677/
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://packetstormsecurity.com/files/155751/vReliable-Datagram-Sockets-RDS-rds_page_copy_user-Privilege-Escalation.html
- https://launchpad.net/bugs/cve/CVE-2010-3904
- http://git.kernel.org/linus/799c10559d60f159ab2232203f222f18fa3c4a5f
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=642896#c10
- https://access.redhat.com/security/cve/CVE-2010-3904
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=645252
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=645305
- https://rhn.redhat.com/errata/RHSA-2010-0792.html
- https://rhn.redhat.com/errata/RHSA-2010-0842.html
- https://security-tracker.debian.org/tracker/CVE-2010-3904
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=799c10559d60f159ab2232203f222f18fa3c4a5f
- https://lkml.iu.edu/hypermail/linux/kernel/1601.3/06474.html;
- https://nvd.nist.gov/vuln/detail/CVE-2010-3904
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3904
- https://ubuntu.com/security/CVE-2010-3904
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