Vulnerability Description
kernel/trace/ftrace.c in the Linux kernel before 2.6.35.5, when debugfs is enabled, does not properly handle interaction between mutex possession and llseek operations, which allows local users to cause a denial of service (NULL pointer dereference and outage of all function tracing files) via an lseek call on a file descriptor associated with the set_ftrace_filter file.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.35.5 |
| Canonical | Ubuntu Linux | 9.10 |
| Suse | Linux Enterprise Desktop | 11 |
| Suse | Linux Enterprise High Availability Extension | 11 |
| Suse | Linux Enterprise Server | 11 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/42758Broken Link
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.5Broken Link
- http://www.redhat.com/support/errata/RHSA-2010-0842.htmlBroken Link
- http://www.securityfocus.com/bid/43684Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1041-1Third Party Advisory
- http://www.vupen.com/english/advisories/2011/0070Broken Link
- http://www.vupen.com/english/advisories/2011/0298Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=631623Issue TrackingPatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/42758Broken Link
FAQ
What is CVE-2010-3079?
CVE-2010-3079 is a vulnerability with a CVSS score of 5.5 (MEDIUM). kernel/trace/ftrace.c in the Linux kernel before 2.6.35.5, when debugfs is enabled, does not properly handle interaction between mutex possession and llseek operations, which allows local users to cau...
How severe is CVE-2010-3079?
CVE-2010-3079 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-3079?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Suse Linux Enterprise Desktop, Suse Linux Enterprise High Availability Extension, Suse Linux Enterprise Server.