CVE-2018-12930 Memory corruption in n/a
Attackers can trigger a stack-based out-of-bounds write in the Linux kernel NTFS driver via a crafted filesystem, causing denial of service or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-12930?
CVE-2018-12930 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 28 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ntfs_end_buffer_async_read in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a stack-based out-of-bounds write and cause a denial of service (kernel oops or panic) or possibly have unspecified other impact via a crafted ntfs filesystem.
Weakness: CWE-787
Which versions are affected by CVE-2018-12930?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2018-12930?
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-2018-12930 being exploited?
There is no known exploitation of CVE-2018-12930 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-12930, GHSA-78v4-95qf-9cqq, ROOT-OS-UBUNTU-2204-CVE-2018-12930, ROOT-OS-UBUNTU-2404-CVE-2018-12930, UBUNTU-CVE-2018-12930.