ASB-A-174737972

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-174737972.json
JSON Data
https://api.test.osv.dev/v1/vulns/ASB-A-174737972
Aliases
Published
2021-04-01T00:00:00Z
Modified
2025-08-06T16:29:06.385449Z
Summary
[none]
Details

In icmpglobalallow of icmp.c, there is a possible disclosure of UDP source ports due to a side channel information disclosure. This could lead to remote information disclosure 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
:2021-04-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "id": "ASB-A-174737972-43743423",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "163913056625793112109650011569155398386",
                    "210684640381025930440861970689826949797",
                    "209938629944047462960407534985341434993",
                    "40753138780160875603608046948079932055",
                    "297873878207537430882684102534028570754",
                    "308012898973444846626945894151657072823",
                    "230341944539684975838520879358771435882"
                ],
                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54",
            "target": {
                "file": "net/ipv4/icmp.c"
            },
            "signature_version": "v1",
            "signature_type": "Line"
        },
        {
            "id": "ASB-A-174737972-4bb1e52a",
            "deprecated": false,
            "digest": {
                "length": 676.0,
                "function_hash": "319530313875119990490265042306097655903"
            },
            "source": "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54",
            "target": {
                "function": "icmp_global_allow",
                "file": "net/ipv4/icmp.c"
            },
            "signature_version": "v1",
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54"
    ],
    "types": [
        "ID"
    ],
    "spl": "2021-04-05",
    "severity": "High"
}