CVE-2019-6501: Medium severity qemu vulnerability

Published Jan 11, 2019
·
Updated

An out of bounds r/w access issue was found in the way QEMU handled inquiry request coming from a guest in scsihandleinquiryreply(). A guest user/process could use this flaw to corrupt byte of QEMU process memory.

Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg02324.html

Reference: ---------- -> https://www.openwall.com/lists/oss-security/2019/01/24/1

Other sources

In QEMU 3.1, scsihandleinquiryreply in hw/scsi/scsi-generic.c allows out-of-bounds write and read operations.

Affected Software

4 affected componentsFixes available
redhat/qemu-kvm-ma<10:2.12.0-33.el7
10:2.12.0-33.el7
redhat/qemu-kvm-rhev<10:2.12.0-33.el7
10:2.12.0-33.el7
Qemu Qemu=3.1
Fedoraproject Fedora=30

Event History

Jan 11, 2019
CVE Published
12:00 AM
Jan 22, 2019
Data Sourced
via Red Hat·05:39 AM
DescriptionSeverityAffected Software
Mar 17, 2019
CVE Published
via MITRE·04:51 PM
Data Sourced
via MITRE·04:51 PM
Description
Mar 21, 2019
Data Sourced
via NVD·04:01 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2019-6501?

CVE-2019-6501 is classified as a high severity vulnerability due to the potential for memory corruption in the QEMU process.

2

How do I fix CVE-2019-6501?

To fix CVE-2019-6501, upgrade to the patched version 10:2.12.0-33.el7 for the affected QEMU packages.

3

What systems are affected by CVE-2019-6501?

CVE-2019-6501 affects several versions of QEMU, including QEMU KVM and specific Fedora releases.

4

What type of vulnerability is CVE-2019-6501?

CVE-2019-6501 is a memory corruption vulnerability caused by out-of-bounds read and write access.

5

Can exploiting CVE-2019-6501 allow remote code execution?

Yes, exploiting CVE-2019-6501 may allow an attacker to execute arbitrary code on the QEMU host.

Contact

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