ASB-A-155756045

See a problem?
Import Source
https://storage.googleapis.com/android-osv/ASB-A-155756045.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-155756045
Aliases
Published
2022-04-01T00:00:00Z
Modified
2025-10-31T15:37:41.221363Z
Summary
[none]
Details

In dmabufrelease of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / :linux_kernel:

Package

Name
:linux_kernel:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2022-04-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "source": "https://android.googlesource.com/kernel/common/+/6e6c15288df8c4c6264f394ece251ef9f64b0e3f",
            "id": "ASB-A-155756045-508471ff",
            "deprecated": false,
            "target": {
                "file": "drivers/dma-buf/dma-buf.c"
            },
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "82945802222134333908791421654857536839",
                    "19127304078615886264485522144236062199",
                    "88933969644631599874421297430567268435",
                    "289189136440764919026157444092562251182",
                    "245681061489948476386890732050665850411",
                    "153026179307233650232946407802658700875",
                    "196112623073218067140441805437754837664",
                    "238940983413991401835007672238974488220",
                    "205829250603208589738977471201136261853",
                    "21168457691085540039233751093771961233",
                    "207363771351754171548141024381916588498",
                    "58676797246452575214330101084909348292",
                    "263011834459981128819472762533559309019"
                ]
            }
        },
        {
            "source": "https://android.googlesource.com/kernel/common/+/6e6c15288df8c4c6264f394ece251ef9f64b0e3f",
            "id": "ASB-A-155756045-93391707",
            "deprecated": false,
            "target": {
                "function": "dma_buf_release",
                "file": "drivers/dma-buf/dma-buf.c"
            },
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "length": 467.0,
                "function_hash": "256706032848568622115479680309527026414"
            }
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/6e6c15288df8c4c6264f394ece251ef9f64b0e3f"
    ],
    "types": [
        "EoP"
    ],
    "severity": "High",
    "spl": "2022-04-05"
}