Divide By Zero Affecting qemu-kvm-block-iscsi package, versions <15:4.2.1-11.module+el8.4.0+20319+6eb4347c
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Test your applications- Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-2600122
- published 10 Apr 2022
- disclosed 2 Jun 2021
Introduced: 2 Jun 2021
CVE-2020-27661 Open this link in a new tabHow to fix?
Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:4.2.1-11.module+el8.4.0+20319+6eb4347c or higher.
This issue was patched in ELSA-2021-9568.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-kvm-block-iscsi package and not the qemu-kvm-block-iscsi package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
References
- https://linux.oracle.com/cve/CVE-2020-27661.html
- https://linux.oracle.com/errata/ELSA-2021-9335.html
- https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1770368.html
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653
- https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://security.netapp.com/advisory/ntap-20210720-0010/
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html