Memory leak in Linux kernel - CVE-2019-7222

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Main Vulnerability Database Vulnerabilities #VU17759

Memory leak in Linux kernel - CVE-2019-7222

Published: February 19, 2019 / Updated: May 30, 2020


Vulnerability identifier: #VU17759
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-7222
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an adjacent attacker to obtain potentially sensitive information.

The weakness exists due to exists due to memory leak in kvm_inject_page_fault. An adjacent attacker can gain access to important data and conduct further attacks.

Affected software

Linux kernel
Amazon Linux AMI
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Opensuse
Fedora

kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel
kernel-headers
kernel-tools
Red Hat Virtualization Host

How to mitigate CVE-2019-7222

The vulnerability has been addressed in the versions 4.9.156, 4.14.99, 4.19.21, 4.20.8.

Linux kernel - addressed in versions 4.4.175, 4.9.156, 4.14.99, 4.19.21, 4.20.8
kernel (Red Hat package) - update to 3.10.0-1062.el7
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1062.rt56.1022.el7, 4.18.0-147.rt24.93.el8
kernel - addressed in versions 4.20.8-100.fc28, 4.20.8-200.fc29
kernel-headers - addressed in versions 4.20.8-100.fc28, 4.20.8-200.fc29
kernel-tools - addressed in versions 4.20.8-100.fc28, 4.20.8-200.fc29

External References

Related Security Bulletins