What is CVE-2019-17052?

CVE-2019-17052 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-2019-17052?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2019-17052 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux Kernel

CVE-2019-17052

ax25_create in net/ax25/af_ax25.c in the AF_AX25 network module in the Linux kernel 3.16 through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-0614e2b73768.

Published 2019-10-01 · last modified 2026-06-17.

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 (48.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% 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

Linux Kernel
Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Debian Linux — versions 8.0
Fedoraproject Fedora — versions 29

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

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/ (Patch, Vendor Advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
seclists.org/bugtraq/2019/Nov/11 (mailing-list, Patch, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2… (VDB Entry, Third Party Advisory)
usn.ubuntu.com/4185-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4184-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4186-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4185-2/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4186-2/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2019-17052?: CVE-2019-17052 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-2019-17052?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2019-17052 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.