CVE-2022-1050: qemu Use After Free
Vulnerability summary
CVE-2022-1050 is a high (CVSS 8.8) Use After Free vulnerability in qemu. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32% of scored vulnerabilities.
Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 29-03-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- qemu< 1:7.1+dfsg-2
Opensuse1 product
- qemu&distro=openSUSE Tumbleweed< 7.1.0-12.1
Qemu1 product
- qemu< 2.20.1
Ubuntu1 product
- qemu< 1:4.2-3ubuntu6.27 | < 1:6.2+dfsg-2ubuntu6.11
4 vendors · 4 products
