Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | debian-upgrade-qemu | Jul 30, 2024 | Sep 29, 2022 | |
| Oracle_linux | — | oracle-linux-upgrade-qemu-guest-agentoracle-linux-upgrade-qemu-imgoracle-linux-upgrade-qemu-kvmoracle-linux-upgrade-qemu-kvm-tools | Oct 16, 2024 | Feb 11, 2020 |
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