CVE-2023-4135 (GCVE-0-2023-4135)
Vulnerability from cvelistv5 – Published: 2023-08-04 13:19 – Updated: 2024-08-02 07:17
VLAI?
Title
Out-of-bounds read information disclosure vulnerability
Summary
A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed.
Severity ?
6 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
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Impacted products
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| n/a | qemu-kvm |
Unaffected:
8.1.0
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Credits
Red Hat would like to thank Trend Micro Zero Day Initiative for reporting this issue.
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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