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CVE-2023-33119

Time-of-check Time-of-use (TOCTOU) Race Condition in Hypervisor

8.4 High

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor cache.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.08%Unchanged since May 7, 2024
90%50%10%1%

What each source reports

CVE List Score used 8.4

Time-of-check Time-of-use (TOCTOU) Race Condition in Hypervisor

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor cache.

Record
CVE-2023-33119
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02
EUVDEUVD-2023-37308 8.4

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor cache.

Record
EUVD-2023-37308
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-8rqf-8g2h-r7c2 8.4

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor...

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor cache.

Record
GHSA-8rqf-8g2h-r7c2
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02
NVD 8.4

Memory corruption while loading a VM from a signed VM image that is not coherent in the processor cache.

Record
CVE-2023-33119
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33119 is a high vulnerability (CVSS 8.4) in Qualcomm Aqt1000 Firmware, published May 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. No source names a fixed version.

References

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