CVE-2026-48914
MEDIUM
6,7
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: low
Availability: high
Description
AI Translation Available
A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI request, leading to an out-of-bounds write in the host heap memory and a potential denial of service (DoS) for the QEMU process.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0001
Percentile
0,0th
Updated
EPSS Score Trend (Last 3 Days)
122
Heap-based Buffer Overflow
DraftCommon Consequences
Security Scopes Affected:
Availability
Integrity
Confidentiality
Access Control
Other
Potential Impacts:
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Execute Unauthorized Code Or Commands
Bypass Protection Mechanism
Modify Memory
Other
Applicable Platforms
Languages:
Memory-Unsafe, C, C++
https://access.redhat.com/security/cve/CVE-2026-48914
https://bugzilla.redhat.com/show_bug.cgi?id=2488283
https://lore.kernel.org/qemu-devel/[email protected]/