What is CVE-2010-2066?

CVE-2010-2066 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2010-2066 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-2066?

CVE-2010-2066 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Is there a patch available for CVE-2010-2066?

No patch is currently available for CVE-2010-2066. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2010-2066 actively exploited?

CVE-2010-2066 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2010-2066

Medium

The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.

Package Linux Kernel

Published 2010-09-08

Last modified 2026-04-29

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References

The following references provide additional information about CVE-2010-2066 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00000.html

Mailing List Third Party Advisory
Secunia
http://secunia.com/advisories/43315

Broken Link
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35

Broken Link
Red Hat
http://www.redhat.com/support/errata/RHSA-2010-0610.html

Broken Link
Securityfocus
http://www.securityfocus.com/archive/1/516397/100/0/threaded

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/USN-1000-1

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2010/06/07/1
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2010/06/09/1
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2010-2066

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2010-09-08

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-2066?

CVE-2010-2066 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2010-2066 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-2066?

CVE-2010-2066 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Is there a patch available for CVE-2010-2066?

No patch is currently available for CVE-2010-2066. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2010-2066 actively exploited?

No — CVE-2010-2066 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.