Vulnerability Description
The USB subsystem in the Linux kernel before 2.6.36-rc5 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to TIOCGICOUNT ioctl calls, and the (1) mos7720_ioctl function in drivers/usb/serial/mos7720.c and (2) mos7840_ioctl function in drivers/usb/serial/mos7840.c.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.36 |
| Debian | Debian Linux | 5.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2010/9/15/392Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42890Third Party Advisory
- http://www.debian.org/security/2010/dsa-2126Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc5Broken Link
- http://www.openwall.com/lists/oss-security/2010/09/25/2Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/06/6Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/07/1Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/25/3Mailing ListPatchThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0958.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0007.htmlThird Party Advisory
- http://www.securityfocus.com/bid/45074Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=648659Issue TrackingPatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2010/9/15/392Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2010-4074?
CVE-2010-4074 is a vulnerability with a CVSS score of 1.9 (LOW). The USB subsystem in the Linux kernel before 2.6.36-rc5 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack m...
How severe is CVE-2010-4074?
CVE-2010-4074 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-4074?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.