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CVE-2023-4135

Date: August 4, 2023

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.

Language: C

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2023-4135
https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521
https://nvd.nist.gov/vuln/detail/CVE-2023-4135
https://bugzilla.redhat.com/show_bug.cgi?id=2229101
https://access.redhat.com/security/cve/CVE-2023-4135
https://security.netapp.com/advisory/ntap-20230915-0012/
https://www.mend.io/vulnerability-database/CVE-2023-4135

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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