An OOB access issue was found in the Message Signalled Interrupt (MSI-X) device support of QEMU. It could occur while performing MSI-X mmio operations when a guest sent address goes beyond the mmio region. A guest user/process may use this flaw to crash the QEMU process resulting in DoS scenario. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg03732.html Reference: ---------- -> https://www.openwall.com/lists/oss-security/2020/06/01/6
Acknowledgments: Name: Ren Ding (SSLab Georgia Tech), Hanqing Zhao (SSLab Georgia Tech), Alexander Bulekov, Anatoly Trosinenko
Created qemu tracking bugs for this issue: Affects: fedora-all [bug 1842364]
Statement: In Red Hat OpenStack Platform, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for the RHOSP qemu-kvm-rhev package.
This issue has been addressed in the following products: Advanced Virtualization for RHEL 8.2.1 Via RHSA-2021:2521 https://access.redhat.com/errata/RHSA-2021:2521
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-13754
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:3061 https://access.redhat.com/errata/RHSA-2021:3061