DoS Vulnerability in QEMU's DMA Processing
CVE-2019-20175
7.5HIGH
What is CVE-2019-20175?
A vulnerability exists in QEMU versions 2.4.0 through 4.2.0 related to improper handling of DMA transfers within the ide_dma_cb() function. This flaw allows a guest system to exploit a specific SCSI command, leading to a crash of the QEMU process on the host. If successful, this can disrupt operations, causing service availability issues. While a member of the security team raises questions about the importance of this issue, it remains crucial for users and administrators to evaluate potential impacts on their systems and consider mitigations.
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References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved