Off-by-one Error Affecting qemu-kvm-block-iscsi package, versions <15:4.2.1-15.module+el8.5.0+20482+a450964e
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Test your applications- Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-2594879
- published 10 Apr 2022
- disclosed 18 Feb 2022
Introduced: 18 Feb 2022
CVE-2021-3930 Open this link in a new tabHow to fix?
Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:4.2.1-15.module+el8.5.0+20482+a450964e or higher.
This issue was patched in ELSA-2022-9172.
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.
An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.
References
- https://linux.oracle.com/cve/CVE-2021-3930.html
- https://linux.oracle.com/errata/ELSA-2021-5238.html
- https://linux.oracle.com/errata/ELSA-2022-9172.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2020588
- https://security.netapp.com/advisory/ntap-20220225-0007/
- https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html