CVE-2020-27821
- State
- Published
- Severity
- Not scored
- Published
- Dec 8, 2020
- Updated
- Aug 4, 2024
- Reserved
- Oct 27, 2020
Description
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.
Scores
The record has no CVSS score.
Weaknesses
- CWE-787 >CWE-122
Affected Products
| Product | Versions |
|---|---|
QEMUn/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1902651
- [oss-security] 20201216 CVE-2020-27821 QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.cmailing-list
- https://security.netapp.com/advisory/ntap-20210115-0006/
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security updatemailing-list
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