Out-of-bounds Read 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-2605955
- published 10 Apr 2022
- disclosed 18 Feb 2022
Introduced: 18 Feb 2022
CVE-2021-3947 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.
A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.
References
- https://linux.oracle.com/cve/CVE-2021-3947.html
- https://linux.oracle.com/errata/ELSA-2022-9123.html
- https://linux.oracle.com/errata/ELSA-2022-9172.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2021869
- https://security.netapp.com/advisory/ntap-20220318-0003/
- https://security.gentoo.org/glsa/202208-27