Impact: Moderate Public Date: 2019-09-20 CWE: CWE-250 Bugzilla: 1758256: CVE-2019-17056 kernel: privilege escalation in llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC network module 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-17056 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | kernel | Under investigation |
| Red Hat Enterprise Linux 8 | kernel | Under investigation |
| Red Hat Enterprise Linux 8 | kernel-rt | Under investigation |
| Red Hat Enterprise Linux 7 | kernel-alt | Under investigation |
| Red Hat Enterprise Linux 7 | kernel | Under investigation |
| Red Hat Enterprise Linux 7 | kernel-rt | Under investigation |
| Red Hat Enterprise Linux 6 | kernel | Under investigation |
| Red Hat Enterprise Linux 5 | kernel | Under investigation |
Vulmon