CVE-2019-17056 Privilege escalation in n/a

What is CVE-2019-17056?

CVE-2019-17056 is a low-severity vulnerability in Linux kernel, published on 1 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-3a359798b176.

Weakness: CWE-276

Which versions are affected by CVE-2019-17056?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2019-17056?

Apply the vendor's patch.

Is CVE-2019-17056 being exploited?

There is no known exploitation of CVE-2019-17056 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-17056, GHSA-x9vj-7v57-p27f, UBUNTU-CVE-2019-17056.