CVE-2010-2071

Name: CVE-2010-2071
Creator: NVD / NIST
Published: 2010-06-16T20:30:02.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.47%

Last modified Jun 16, 2026

CVE-2010-2071 is a vulnerability of currently unknown severity. The btrfs_xattr_set_acl function in fs/btrfs/acl.c in btrfs in the Linux kernel 2.6.34 and earlier does not check file ownership before setting an ACL, which allows local users to bypass file permissions by setting arbitrary ACLs, as demonstrated using setfacl.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

The btrfs_xattr_set_acl function in fs/btrfs/acl.c in btrfs in the Linux kernel 2.6.34 and earlier does not check file ownership before setting an ACL, which allows local users to bypass file permissions by setting arbitrary ACLs, as demonstrated using setfacl.

Metrics

EPSS Probability

0.47%

37.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 2.6.34

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=2f26afba
http://lkml.org/lkml/2010/5/17/544Exploit, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/11/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/14/2Mailing List, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=2f26afba
http://lkml.org/lkml/2010/5/17/544Exploit, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/11/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/14/2Mailing List, Third Party Advisory

Timeline

Published: Jun 16, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-2071?

How severe is CVE-2010-2071?

Severity scoring for CVE-2010-2071 is pending analysis. The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2010-2071?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-2071?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST