CVE-2023-4135
Out-of-bounds read information disclosure vulnerability
CVSS Score
6.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | n/a |
| Product | qemu-kvm |
| Published | Aug 4, 2023 |
| Last Updated | Aug 2, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
n/a / qemu-kvm
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8 Advanced Virtualization
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Fedora / Fedora
All versions affected Fedora / Extra Packages for Enterprise Linux
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-4135 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2229101 security.netapp.com: https://security.netapp.com/advisory/ntap-20230915-0012/ zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521
Credits
Red Hat would like to thank Trend Micro Zero Day Initiative for reporting this issue.