CVE-2024-6505
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Summary
A flaw was found in the virtio-net device in QEMU. When enabling the RSS feature on the virtio-net network card, the indirections_table data within RSS becomes controllable. Setting excessively large values may cause an index out-of-bounds issue, potentially resulting in heap overflow access. This flaw allows a privileged user in the guest to crash the QEMU process on the host.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
5.1.0 < 9.1.0 | affected |
Weaknesses
- CWE-125: Out-of-bounds Read
Workarounds
A viable mitigation for this vulnerability is to disable RSS on the nic/virtio driver. This can be performed either with the following qemu-kvm command "-device virtio-net-pci,rss=off", or, alternatively, by directly modifying the KVM XML file to disable RSS using a standard configuration tool (ex. libvirt).
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://access.redhat.com/security/cve/CVE-2024-6505
- https://bugzilla.redhat.com/show_bug.cgi?id=2295760
- https://security.netapp.com/advisory/ntap-20240816-0006/
References
- https://access.redhat.com/security/cve/CVE-2024-6505
- https://bugzilla.redhat.com/show_bug.cgi?id=2295760
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