PUB-A-168607263

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-168607263.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-168607263
Aliases
Published
2021-10-01T00:00:00Z
Modified
2025-10-31T15:37:41.221363Z
Summary
[none]
Details

In ip6xmit of ip6output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System 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
:2021-10-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "types": [
        "EoP"
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/2f987a76a97773beafbc615b9c4d8fe79129a7f4",
        "https://android.googlesource.com/kernel/common/+/b954f94023dcc61388c8384f0f14eb8e42c863c5"
    ],
    "vanir_signatures": [
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            "target": {
                "file": "net/l2tp/l2tp_core.h"
            },
            "deprecated": false,
            "id": "PUB-A-168607263-32496ed4",
            "signature_version": "v1",
            "digest": {
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        {
            "source": "https://android.googlesource.com/kernel/common/+/b954f94023dcc61388c8384f0f14eb8e42c863c5",
            "target": {
                "function": "l2tp_xmit_core",
                "file": "net/l2tp/l2tp_core.c"
            },
            "deprecated": false,
            "id": "PUB-A-168607263-4d4ba5f3",
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            "target": {
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            "id": "PUB-A-168607263-96b0a4eb",
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            "deprecated": false,
            "id": "PUB-A-168607263-d478fe55",
            "signature_version": "v1",
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                "function": "__ip6_datagram_connect",
                "file": "net/ipv6/datagram.c"
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            "id": "PUB-A-168607263-d6255408",
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            "target": {
                "function": "l2tp_tunnel_create",
                "file": "net/l2tp/l2tp_core.c"
            },
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            "id": "PUB-A-168607263-daca99b9",
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            "target": {
                "function": "l2tp_xmit_skb",
                "file": "net/l2tp/l2tp_core.c"
            },
            "deprecated": false,
            "id": "PUB-A-168607263-dd6e6da2",
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                "function_hash": "314349946728839780801224023225017247234"
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            "signature_type": "Function"
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    ],
    "severity": "Moderate",
    "spl": "2021-10-05"
}