CVE-2024-26327
Published: February 20, 2024Last modified: October 15, 2024
Description
An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack Vector | ADJACENT_NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | qemu | Fixed (9.0.2-r0) |
| Stream | qemu | Fixed (9.0.0-r0) |
References
- https://lore.kernel.org/all/20240214-reuse-v4-5-89ad093a07f4%40daynix.com/
- https://security.netapp.com/advisory/ntap-20240419-0010/