CVE-2021-36147
HIGHCVSS 7.5/10EPSS 0.96%
Last modified
CVE-2021-36147 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq->used.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
Description
An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq->used.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Acrn | < 2.5 |
References
- https://github.com/projectacrn/acrn-hypervisor/pull/6121/commits/131116b15b0e35a62085d23686b43ed1c12c1331Patch, Third Party Advisory
- https://github.com/projectacrn/acrn-hypervisor/pull/6121/commits/131116b15b0e35a62085d23686b43ed1c12c1331Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36147?
An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq->used.
How severe is CVE-2021-36147?
CVE-2021-36147 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36147?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-36147?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST