Vulnerability in Linux Kernel
CVE-2019-17056
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html (vendor-advisory)
- seclists.org/bugtraq/2019/Nov/11 (mailing-list)
- packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2…
- usn.ubuntu.com/4185-1/ (vendor-advisory)
- usn.ubuntu.com/4184-1/ (vendor-advisory)
- usn.ubuntu.com/4186-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2019-17056?
- CVE-2019-17056 is a low-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 3.3/10. Published 2019-10-01.
- How severe is CVE-2019-17056?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2019-17056 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.