CVE-2018-14612 Null dereference in n/a

What is CVE-2018-14612?

CVE-2018-14612 is a medium-severity vulnerability in Linux kernel, published on 27 Jul 2018. 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

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.

Weakness: CWE-476

Which versions are affected by CVE-2018-14612?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2018-14612?

Apply the vendor's patch.

Is CVE-2018-14612 being exploited?

There is no known exploitation of CVE-2018-14612 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-2018-14612, GHSA-gc78-rvwj-3h3p, UBUNTU-CVE-2018-14612.