Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | >= 8.0.0, < 8.1.0 |
| Fedoraproject | Fedora | 38 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-4135Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2229101Issue TrackingPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230915-0012/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521Broken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2023-4135Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2229101Issue TrackingPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230915-0012/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521Broken LinkThird Party AdvisoryVDB Entry
FAQ
What is CVE-2023-4135?
CVE-2023-4135 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 us...
How severe is CVE-2023-4135?
CVE-2023-4135 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4135?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Fedoraproject Fedora.