Triggerable assertion due to race condition in hot-unplug
Published Sep 13, 2023
5.6
MEDIUMCVSS 3.1
EPSS 0.26%
Description
A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.
Affected products
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| Fedora | Fedora | affected |
| |||
| Red Hat | Red Hat Enterprise Linux 8 | affected |
| |||
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | affected |
| |||
| Red Hat | Red Hat Enterprise Linux 9 | affected |
|
Configuration 2
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 8
virt-devel:rhel-8090020230927071820.b46abd14
Fixed · RHSA-2023:6980
Red Hat Enterprise Linux 8
virt:rhel-8090020230927071820.b46abd14
Fixed · RHSA-2023:6980
Red Hat Enterprise Linux 6
qemu-kvm
Out of support scope
Red Hat Enterprise Linux 7
qemu-kvm
Out of support scope
Red Hat Enterprise Linux 7
qemu-kvm-ma
Out of support scope
Red Hat Enterprise Linux 8 Advanced Virtualization
virt:av/qemu-kvm
Will not fix
Red Hat Enterprise Linux 9
qemu-kvm
Affected
Red Hat OpenStack Platform 13 (Queens)
qemu-kvm-rhev
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | virt-devel:rhel-8090020230927071820.b46abd14 | Fixed | RHSA-2023:6980 |
| Red Hat Enterprise Linux 8 | virt:rhel-8090020230927071820.b46abd14 | Fixed | RHSA-2023:6980 |
| Red Hat Enterprise Linux 6 | qemu-kvm | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-ma | Out of support scope | n/a |
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:av/qemu-kvm | Will not fix | n/a |
| Red Hat Enterprise Linux 9 | qemu-kvm | Affected | n/a |
| Red Hat OpenStack Platform 13 (Queens) | qemu-kvm-rhev | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 25, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.26% (0.00259) | 15.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.25% (0.00251) | 16.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00042) | 9.79th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Sep 14, 2023 | 0.04% (0.00043) | 6.92th | v3 (v2023.03.01) |
References (5)
- https://access.redhat.com/security/cve/CVE-2023-3301 vdb-entryx_refsource_REDHATPatchThird Party AdvisoryVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2215784 issue-trackingx_refsource_REDHATIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-3301
- https://security.netapp.com/advisory/ntap-20231020-0008/ Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-3301
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-3301 | vdb-entryx_refsource_REDHATPatchThird Party AdvisoryVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2215784 | issue-trackingx_refsource_REDHATIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2023-3301 | ||
| https://security.netapp.com/advisory/ntap-20231020-0008/ | Third Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2023-3301 |
Change history (0)
No recorded changes yet.