CVE-2023-4135
Fixed in a distro release EPSS <1%CVSS 6.0
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: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8 Advanced Virtualization, Red Hat Enterprise Linux 9, Fedora, Fedora Extra Packages for Enterprise Linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 13 | qemu | 1:8.0.4+dfsg-2 |
| Debian 14 | qemu | 1:8.0.4+dfsg-2 |
| Ubuntu 20.04 LTS | qemu | 1:4.2-3ubuntu6.28 |
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.16 |