CVE-2022-49774

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Source
https://cve.org/CVERecord?id=CVE-2022-49774
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49774.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49774
Downstream
Published
2025-05-01T14:09:11.188Z
Modified
2026-03-11T07:14:12.180708Z
Summary
KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()
Details

In the Linux kernel, the following vulnerability has been resolved:

KVM: x86/xen: Fix eventfd error handling in kvmxeneventfd_assign()

Should not call eventfdctxput() in case of error.

[Introduce new goto target instead. - Paolo]

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49774.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988
Fixed
d76f46f47dfde220712d1420ee5dbc546c8fc674
Fixed
7353633814f6e5b4899fb9ee1483709d6bb0e1cd

Affected versions

v5.*
v5.17
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8
v6.*
v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.0.1
v6.0.2
v6.0.3
v6.0.4
v6.0.5
v6.0.6
v6.0.7
v6.0.8
v6.0.9
v6.1-rc1

Database specific

vanir_signatures 
[
    {
        "digest": {
            "length": 1731.0,
            "function_hash": "83237458136112850726162328776653148567"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2022-49774-335c9ccc",
        "target": {
            "function": "kvm_xen_eventfd_assign",
            "file": "arch/x86/kvm/xen.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@7353633814f6e5b4899fb9ee1483709d6bb0e1cd"
    },
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        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2022-49774-422430a2",
        "target": {
            "file": "arch/x86/kvm/xen.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@7353633814f6e5b4899fb9ee1483709d6bb0e1cd"
    },
    {
        "digest": {
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        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2022-49774-66a5f056",
        "target": {
            "file": "arch/x86/kvm/xen.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d76f46f47dfde220712d1420ee5dbc546c8fc674"
    },
    {
        "digest": {
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            "function_hash": "83237458136112850726162328776653148567"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2022-49774-b929e09d",
        "target": {
            "function": "kvm_xen_eventfd_assign",
            "file": "arch/x86/kvm/xen.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d76f46f47dfde220712d1420ee5dbc546c8fc674"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49774.json"