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

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

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

Show details

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

Type

GIT

Repo

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

Events

Introduced

44f28df24767cf9dca1ddc9b23157737c4cbb645

Fixed

abe300d9d894f7138e1af7c8e9c88c04bfe98b37

Database specific

Show details

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

Affected versions

6.*

6.2.0

Affected QEMU version: 6.*

Affected QEMU version: 6.2.0

v6.*

v6.2.0

Database specific

source

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

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "270235561628058841198438626346036432264",
            "length":  3016
        },
        "id":  "CVE-2022-26353-a9ae21dd",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://gitlab.com/qemu-project/qemu@abe300d9d894f7138e1af7c8e9c88c04bfe98b37",
        "target":  {
            "file":  "hw/net/virtio-net.c",
            "function":  "virtio_net_receive_rcu"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "117231405674929910410463275919632308422",
                "275513586101648552344315140163073962516",
                "31217113160687723639782765688240606782",
                "317972341783791818038502029191381494685"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2022-26353-ce6977f9",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://gitlab.com/qemu-project/qemu@abe300d9d894f7138e1af7c8e9c88c04bfe98b37",
        "target":  {
            "file":  "hw/net/virtio-net.c"
        }
    }
]

vanir_signatures_modified

"2026-08-18T15:18:41Z"