Loop with Unreachable Exit Condition ('Infinite Loop') 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-2588748
- published 10 Apr 2022
- disclosed 18 Mar 2021
Introduced: 18 Mar 2021
CVE-2021-3416 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 potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
References
- https://linux.oracle.com/cve/CVE-2021-3416.html
- https://linux.oracle.com/errata/ELSA-2021-3061.html
- https://linux.oracle.com/errata/ELSA-2022-9172.html
- https://access.redhat.com/errata/RHSA-2021:3061
- https://access.redhat.com/errata/RHSA-2021:3703
- https://access.redhat.com/security/cve/CVE-2021-3416
- https://bugzilla.redhat.com/show_bug.cgi?id=1932827
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20210507-0002/
- https://www.openwall.com/lists/oss-security/2021/02/26/1