Integer Overflow or Wraparound 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-2604181
- published 10 Apr 2022
- disclosed 25 Feb 2021
Introduced: 25 Feb 2021
CVE-2021-20203 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 integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
References
- https://linux.oracle.com/cve/CVE-2021-20203.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=1922441
- https://bugs.launchpad.net/qemu/+bug/1913873
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html