ASB-A-172999675

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-172999675.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-172999675
Aliases
Published
2021-02-01T00:00:00Z
Modified
2025-11-18T16:17:57.446691Z
Summary
[none]
Details

In ip6mroutesetsockopt and related functions of ip6mr.c, there is a possible out of bounds write due to a logic error in the code. 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
:2021-02-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "types": [
        "EoP"
    ],
    "severity": "High",
    "vanir_signatures": [
        {
            "id": "ASB-A-172999675-74456a17",
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target": {
                "file": "net/ipv6/ip6mr.c"
            },
            "digest": {
                "line_hashes": [
                    "298009621754784947338976317639313641580",
                    "238898635758313853733269622164346830466",
                    "164981494354328959081603277826549826038",
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                    "238898635758313853733269622164346830466",
                    "164981494354328959081603277826549826038"
                ],
                "threshold": 0.9
            },
            "signature_type": "Line"
        },
        {
            "id": "ASB-A-172999675-e2fa80cf",
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target": {
                "function": "ip6_mroute_setsockopt",
                "file": "net/ipv6/ip6mr.c"
            },
            "digest": {
                "length": 2763.0,
                "function_hash": "334410933136282710967774068023981460530"
            },
            "signature_type": "Function"
        },
        {
            "id": "ASB-A-172999675-e920a872",
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target": {
                "function": "ip6_mroute_getsockopt",
                "file": "net/ipv6/ip6mr.c"
            },
            "digest": {
                "length": 772.0,
                "function_hash": "213724507498041325655797406518481755665"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745"
    ],
    "spl": "2021-02-05"
}