high
7.8
CWE
200 201
Advisory Published
CVE Published
CVE Published
Updated

CVE-2022-0516: Infoleak

First published: Thu Feb 03 2022(Updated: )

A vulnerability was found in kvm_s390_guest_sida_op in arch/s390/kvm/kvm-s390.c in KVM for s390 in the Linux kernel. In this flaw, a local attacker with a normal user privilege may impact in unauthorized memory write access.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<0:4.18.0-348.20.1.el8_5
0:4.18.0-348.20.1.el8_5
redhat/kernel<0:4.18.0-305.40.1.el8_4
0:4.18.0-305.40.1.el8_4
redhat/kernel<5.17
5.17
Linux Linux kernel<5.17
Linux Linux kernel=5.17-rc1
Linux Linux kernel=5.17-rc2
Linux Linux kernel=5.17-rc3
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=11.0
All of
Redhat Virtualization Host=4.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.4
Redhat Enterprise Linux For Ibm Z Systems=8.0
Redhat Enterprise Linux For Ibm Z Systems Eus=8.4
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.4
Redhat Enterprise Linux Server Aus=8.4
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions=8.4
Redhat Enterprise Linux Server Tus=8.4
Redhat Enterprise Linux Server Update Services For Sap Solutions=8.4
All of
Redhat Codeready Linux Builder
Any of
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.4
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.4
All of
Netapp H300s Firmware
Netapp H300s
All of
Netapp H500s Firmware
Netapp H500s
All of
Netapp H700s Firmware
Netapp H700s
All of
Netapp H300e Firmware
Netapp H300e
All of
Netapp H500e Firmware
Netapp H500e
All of
Netapp H700e Firmware
Netapp H700e
All of
Netapp H410s Firmware
Netapp H410s
All of
Netapp H410c Firmware
Netapp H410c
Redhat Virtualization Host=4.0
Redhat Enterprise Linux=8.0
Redhat Codeready Linux Builder
Redhat Enterprise Linux Eus=8.4
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.4
Netapp H300s Firmware
Netapp H300s
Netapp H500s Firmware
Netapp H500s
Netapp H700s Firmware
Netapp H700s
Netapp H300e Firmware
Netapp H300e
Netapp H500e Firmware
Netapp H500e
Netapp H700e Firmware
Netapp H700e
Netapp H410s Firmware
Netapp H410s
Netapp H410c Firmware
Netapp H410c
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.11.4-1
6.11.5-1

Remedy

As the kvm.ko kernel module will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions: # echo "install kvm /bin/true" >> /etc/modprobe.d/disable-kvm.conf If the system requires this module to work correctly, this mitigation may not be suitable. If you need further assistance, see the KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2050237

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09a93c1df3eafa43bcdfd7bf837c574911f12f55

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