CVE-2019-15791

kernel: reference count underflow was discovered in shiftfs implementation causing dos

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · November 1, 2019

Updated · June 28, 2026

Description

A vulnerability was found in Linux kernel. A reference count underflow was discovered in the shiftfs implementation which could be used to cause a denial of service (system crash) or possibly execute arbitrary code. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Statement

No current shipping products include the code necessary to fix this issue.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-400 · Uncontrolled Resource Consumption