CVE-2016-7912 Use after free in n/a

What is CVE-2016-7912?

CVE-2016-7912 is a high-severity use after free vulnerability in Linux kernel, published on 16 Nov 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.

Weakness: CWE-416

Which versions are affected by CVE-2016-7912?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-7912?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-7912 being exploited?

There is no known exploitation of CVE-2016-7912 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 DEBIAN-CVE-2016-7912, GHSA-rcjx-c5rp-m8jj, UBUNTU-CVE-2016-7912.