A flaw was found In the Linux kernel, through version 4.19.6, where a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c. An attacker could corrupt memory and possibly escalate privileges if the attacker is able to have physical access to the system.
Find out more about CVE-2018-19824 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 | 6.6 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Attack Vector | Physical |
Attack Complexity | Low |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
Platform | Package | State |
---|---|---|
Red Hat Enterprise MRG 2 | kernel-rt | Affected |
Red Hat Enterprise Linux 7 | kernel-alt | Affected |
Red Hat Enterprise Linux 7 | kernel | Affected |
Red Hat Enterprise Linux 7 | kernel-rt | Affected |
Red Hat Enterprise Linux 6 | kernel | Affected |
Red Hat Enterprise Linux 5 | kernel | Not affected |