CVE-2010-4668 Denial of service in n/a

What is CVE-2010-4668?

CVE-2010-4668 is a medium-severity denial of service vulnerability in Linux kernel, published on 3 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-400

Which versions are affected by CVE-2010-4668?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2010-4668?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2010-4668 being exploited?

There is no known exploitation of CVE-2010-4668 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rpp2-qjhg-737g.