CVE-2020-26088 Security feature bypass in n/a
Local attackers can bypass security mechanisms to create raw NFC sockets due to a missing capability check in the Linux kernel.
- 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-2020-26088?
CVE-2020-26088 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 24 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.
Weakness: CWE-276
Which versions are affected by CVE-2020-26088?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Opensuse Leap.
How do I fix CVE-2020-26088?
Apply the vendor's patch.
Is CVE-2020-26088 being exploited?
There is no known exploitation of CVE-2020-26088 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-26088, GHSA-mv8q-jr3c-hxp6, UBUNTU-CVE-2020-26088.