CVE-2010-2071 Missing authorization in n/a

What is CVE-2010-2071?

CVE-2010-2071 is a medium-severity missing authorization vulnerability in Linux kernel, published on 16 Jun 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-264

Which versions are affected by CVE-2010-2071?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2010-2071?

No fix has been published for CVE-2010-2071 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2010-2071 being exploited?

There is no known exploitation of CVE-2010-2071 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-8qmq-69vr-c6cq.