CVE-2021-3582
Reported by redhat · Published March 25, 2022
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| qemu | qemu | 2.17.2 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | QEMU | qemu 2.17.2 |
| n/a | QEMU | 2.17.2 |
Timeline
- Jul 21, 2021 CVE Published
- Mar 26, 2022 EPSS Score (30 in total, the first dated here)
- Nov 21, 2024 CVE Updated
- Mar 10, 2026 Security Advisory (6 in total, the first dated here)
- Jul 29, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-3582
vulnetix vdb fixes CVE-2021-3582
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-3582/fixes/registry"
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References
- x_refsource_MISC
- x_refsource_CONFIRM
- GLSA-202208-27 vendor-advisoryx_refsource_GENTOO
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update mailing-listx_refsource_MLIST