CVE-2017-10663 Privilege escalation in n/a
Local attackers can gain privileges due to missing validation of checkpoint arrays in the Linux kernel F2FS filesystem.
- 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-2017-10663?
CVE-2017-10663 is a high-severity vulnerability in Linux kernel, published on 19 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
Weakness: CWE-129
Which versions are affected by CVE-2017-10663?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-10663?
Apply the vendor's patch.
Is CVE-2017-10663 being exploited?
There is no known exploitation of CVE-2017-10663 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-10663, GHSA-596f-c2w8-w394, UBUNTU-CVE-2017-10663.