CVE-2019-12378 Null dereference in n/a
An unchecked memory allocation in the Linux kernel IPv6 socket glue code could allow an attacker to cause a system crash via NULL pointer dereference.
- 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-2019-12378?
CVE-2019-12378 is a medium-severity vulnerability in Linux kernel, published on 28 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in ip6_ra_control in net/ipv6/ipv6_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: This has been disputed as not an issue
Weakness: CWE-476
Which versions are affected by CVE-2019-12378?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2019-12378?
Apply the vendor's patch.
Is CVE-2019-12378 being exploited?
There is no known exploitation of CVE-2019-12378 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2019-12378, GHSA-w88v-7x97-pgv3, ROOT-OS-DEBIAN-12-CVE-2019-12378, ROOT-OS-DEBIAN-13-CVE-2019-12378, UBUNTU-CVE-2019-12378.