Impact: Moderate Public Date: 2019-07-26 CWE: (CWE-190|CWE-125) Bugzilla: 1734243: CVE-2019-14283 kernel: integer overflow and OOB read in drivers/block/floppy.c In the Linux kernel before 5.2.3, set_geometry in drivers/block/floppy.c does not validate the sect and head fields, as demonstrated by an integer overflow and out-of-bounds read. It can be triggered by an unprivileged local user when a floppy disk has been inserted. NOTE: QEMU creates the floppy device by default.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-14283 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 | 5.6 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Container Platform 4.1 | 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 |
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