Vulnerability 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.
CVSS Score
3.3
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.3.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackwar
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ePatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3aVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Nov/11
- https://usn.ubuntu.com/4184-1/
- https://usn.ubuntu.com/4185-1/
- https://usn.ubuntu.com/4185-2/
- https://usn.ubuntu.com/4186-1/
- https://usn.ubuntu.com/4186-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html
FAQ
What is CVE-2019-17056?
CVE-2019-17056 is a vulnerability with a CVSS score of 3.3 (LOW). 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 CI...
How severe is CVE-2019-17056?
CVE-2019-17056 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17056?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.