Vulnerability Description
net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.36 |
| Vmware | Esx | 4.0 |
| Canonical | Ubuntu Linux | 8.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/01/24/9Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/3Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/4Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/5Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/28/1Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/46397Broken Link
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36Broken Link
- http://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/45972Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1146-1Third Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=672428Issue TrackingPatchThird Party Advisory
- https://lkml.org/lkml/2010/10/7/297Mailing ListPatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
FAQ
What is CVE-2010-4655?
CVE-2010-4655 is a vulnerability with a CVSS score of 5.5 (MEDIUM). net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by levera...
How severe is CVE-2010-4655?
CVE-2010-4655 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-2010-4655?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Vmware Esx, Canonical Ubuntu Linux.