Vulnerability DatabaseCVE-2022-26353
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CVE-2022-26353
Published:March 16, 2022
Updated:May 17, 2026
A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.
Related Resources (12)
https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
https://bugzilla.redhat.com/show_bug.cgi?id=2063197
https://access.redhat.com/errata/RHSA-2022:5263
https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-26353
https://security-tracker.debian.org/tracker/CVE-2022-26353
https://security.gentoo.org/glsa/202208-27
https://access.redhat.com/security/cve/CVE-2022-26353
https://security.netapp.com/advisory/ntap-20220425-0003/
https://access.redhat.com/errata/RHSA-2022:5002
https://www.debian.org/security/2022/dsa-5133
https://access.redhat.com/errata/RHSA-2022:5821
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Missing Release of Resource after Effective Lifetime
CWE-772
EPSS
Base Score:
0.24