CVE-2018-13095 Memory corruption in n/a
A local attacker can cause a denial of service via memory corruption in the Linux kernel XFS filesystem by mounting a corrupted image.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-13095?
CVE-2018-13095 is a medium-severity memory corruption vulnerability in Linux kernel, published on 3 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 fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.
Weakness: CWE-787
Which versions are affected by CVE-2018-13095?
It affects 1 product.
Linux distribution packages (20)
kernel Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-abi-whitelists Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-alt Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-bootwrapper Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-debug Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-debug-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-debug-devel Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-debuginfo-common-ppc64le Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-devel Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-doc Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-headers Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-tools Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-tools-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-tools-libs Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
kernel-tools-libs-devel Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
perf Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
perf-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
python-perf Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
python-perf-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:4.14.0-115.8.1.el7a |
Products include Linux kernel.
How do I fix CVE-2018-13095?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-13095 being exploited?
There is no known exploitation of CVE-2018-13095 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2018-13095, GHSA-7f86-4f2r-mc5f, RHSA-2019:1350, UBUNTU-CVE-2018-13095.