Vulnerability Description
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.37-rc7 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a SCSI device, related to an unaligned map. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4163.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.37 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2010/11/29/68Mailing ListPatchThird Party Advisory
- http://lkml.org/lkml/2010/11/29/70Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/29/1Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/30/4Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/30/7Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42890Third Party AdvisoryVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc7Broken Link
- http://www.redhat.com/support/errata/RHSA-2011-0007.htmlThird Party Advisory
- http://www.securityfocus.com/bid/45660Third Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64496Third Party AdvisoryVDB Entry
- https://patchwork.kernel.org/patch/363282/PatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2010/11/29/68Mailing ListPatchThird Party Advisory
- http://lkml.org/lkml/2010/11/29/70Mailing ListThird Party Advisory
FAQ
What is CVE-2010-4668?
CVE-2010-4668 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.37-rc7 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a S...
How severe is CVE-2010-4668?
CVE-2010-4668 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-4668?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.