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CVE-2024-6505

20
FAUCET Score

CVE-2024-6505 is a heap overflow vulnerability in the virtio-net device of QEMU, affecting QEMU and Red Hat Enterprise Linux. A privileged guest user can manipulate the RSS feature's indirections_table, leading to an index out-of-bounds error and potentially crashing the QEMU process on the host. This vulnerability has a CVSS score of 6.8 (Medium) due to its high privileges required and high availability impact, but no confidentiality or integrity impact. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 47th percentile among its peer group of 3,565 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-16 on Azure Linux 3.0Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: 17460-17084Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: 17459-17084Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: cbl2 qemu 6.2.0-24 on CBL Mariner 2.0Fixed in: 6.2.0-24
microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-14 on Azure Linux 3.0Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: 17093-16823Fixed in: 6.2.0-24
microsoftpatch availablevia msrc
Product: 19662-17086Fixed in: 6.2.0-24
microsoftpatch availablevia msrc
Product: 17093-17086Fixed in: 6.2.0-24
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt:rhel/qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:av/qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: qemu-kvm

Vendor Advisories (2)

microsoft2024-Jul/CVE-2024-6505Moderate

Qemu-kvm: virtio-net: queue index out-of-bounds access in software rss

Jul 9, 2024
redhatCVE-2024-6505Moderate

qemu-kvm: virtio-net: queue index out-of-bounds access in software RSS

Jul 4, 2024

References

security.netapp.com / advisory/ntap-20240816-0006
access.redhat.com / security/cve/CVE-2024-6505
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking