Vulnerability CVE-2023-4135


Published: 2023-08-04

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.

 References:
https://access.redhat.com/security/cve/CVE-2023-4135
https://bugzilla.redhat.com/show_bug.cgi?id=2229101
https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521

Copyright 2026, cxsecurity.com

 

Back to Top