Vulnerability Details : CVE-2023-4135
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.
Products affected by CVE-2023-4135
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:8.1.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:8.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:8.1.0:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4135
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4135
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
2.0
|
4.0
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
1.5
|
4.0
|
Red Hat, Inc. |
CWE ids for CVE-2023-4135
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-4135
-
https://bugzilla.redhat.com/show_bug.cgi?id=2229101
2229101 – (CVE-2023-4135, ZDI-CAN-21521) CVE-2023-4135 QEMU: NVMe: out-of-bounds read information disclosure vulnerabilityIssue Tracking;Patch;Third Party Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521
Published | Zero Day InitiativeBroken Link;Third Party Advisory;VDB Entry
-
https://security.netapp.com/advisory/ntap-20230915-0012/
CVE-2023-4135 QEMU Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://access.redhat.com/security/cve/CVE-2023-4135
CVE-2023-4135- Red Hat Customer PortalThird Party Advisory
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