CVE-2005-3623 Missing authorization in n/a

What is CVE-2005-3623?

CVE-2005-3623 is a medium-severity missing authorization vulnerability in Linux kernel, published on 13 Feb 2006. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

nfs2acl.c in the Linux kernel 2.6.14.4 does not check for MAY_SATTR privilege before setting access controls (ACL) on files on exported NFS filesystems, which allows remote attackers to bypass ACLs for readonly mounted NFS filesystems.

Weakness: CWE-862

Which versions are affected by CVE-2005-3623?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-3623?

Apply the vendor's patch.

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

Is CVE-2005-3623 being exploited?

There is no known exploitation of CVE-2005-3623 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-3gq3-wqjv-f3fj.