Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libguestfs-rsync package, versions <1:1.40.2-28.0.1.module+el8.5.0+20482+a450964e
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Test your applications- Snyk ID SNYK-ORACLE8-LIBGUESTFSRSYNC-2594952
- published 10 Apr 2022
- disclosed 16 Mar 2022
Introduced: 16 Mar 2022
CVE-2021-20257 Open this link in a new tabHow to fix?
Upgrade Oracle:8 libguestfs-rsync to version 1:1.40.2-28.0.1.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 libguestfs-rsync package and not the libguestfs-rsync package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
References
- https://linux.oracle.com/cve/CVE-2021-20257.html
- https://linux.oracle.com/errata/ELSA-2021-5238.html
- https://linux.oracle.com/errata/ELSA-2021-9568.html
- https://linux.oracle.com/errata/ELSA-2021-9638.html
- https://linux.oracle.com/errata/ELSA-2022-9172.html
- https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html
- https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8
- https://bugzilla.redhat.com/show_bug.cgi?id=1930087
- https://www.openwall.com/lists/oss-security/2021/02/25/2
- https://security.netapp.com/advisory/ntap-20220425-0003/
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://access.redhat.com/errata/RHSA-2021:5238
- https://access.redhat.com/errata/RHSA-2022:0081
- https://access.redhat.com/security/cve/CVE-2021-20257