CVE-2022-26353

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26353.json",
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-772"
    ]
}

References

Affected packages

Git / github.com/qemu/qemu

Affected ranges

Type

GIT

Repo

https://github.com/qemu/qemu

Events

Introduced

44f28df24767cf9dca1ddc9b23157737c4cbb645

Last affected

44f28df24767cf9dca1ddc9b23157737c4cbb645

Database specific

{
    "source": "CPE_STRING",
    "cpe": "cpe:2.3:a:qemu:qemu:6.2.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "6.2.0"
        },
        {
            "last_affected": "6.2.0"
        }
    ]
}

Type

GIT

Repo

https://gitlab.com/qemu-project/qemu

Events

Introduced

44f28df24767cf9dca1ddc9b23157737c4cbb645

Fixed

abe300d9d894f7138e1af7c8e9c88c04bfe98b37

Database specific

{
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:qemu:qemu:6.2.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "6.2.0"
        },
        {
            "last_affected": "6.2.0"
        }
    ]
}

Affected versions

6.*

6.2.0

Affected QEMU version: 6.*

Affected QEMU version: 6.2.0

v6.*

v6.2.0

Database specific

vanir_signatures

[
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "digest": {
            "function_hash": "270235561628058841198438626346036432264",
            "length": 3016.0
        },
        "deprecated": false,
        "source": "https://gitlab.com/qemu-project/qemu@abe300d9d894f7138e1af7c8e9c88c04bfe98b37",
        "id": "CVE-2022-26353-a9ae21dd",
        "target": {
            "function": "virtio_net_receive_rcu",
            "file": "hw/net/virtio-net.c"
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "117231405674929910410463275919632308422",
                "275513586101648552344315140163073962516",
                "31217113160687723639782765688240606782",
                "317972341783791818038502029191381494685"
            ]
        },
        "deprecated": false,
        "source": "https://gitlab.com/qemu-project/qemu@abe300d9d894f7138e1af7c8e9c88c04bfe98b37",
        "id": "CVE-2022-26353-ce6977f9",
        "target": {
            "file": "hw/net/virtio-net.c"
        }
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-26353.json"

vanir_signatures_modified

"2026-07-09T08:36:13Z"