CVE-2022-2962 (GCVE-0-2022-2962)

Vulnerability from cvelistv5 – Published: 2022-09-13 19:18 – Updated: 2025-04-23 17:11
VLAI?
Summary
A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: Will be fixed in QEMU 7.2.0-rc0
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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