PUB-A-191191823

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Import Source
https://storage.googleapis.com/android-osv-test/PUB-A-191191823.json
JSON Data
https://api.test.osv.dev/v1/vulns/PUB-A-191191823
Aliases
Published
2021-10-01T00:00:00Z
Modified
2025-08-06T16:29:06.385449Z
Summary
[none]
Details

In xfrmstatefini and related functions of xfrm_state.c and related files, there is a possible way to corrupt memory 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 

{
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399"
    ],
    "severity": "Moderate",
    "spl": "2021-10-05",
    "types": [
        "EoP"
    ],
    "vanir_signatures": [
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            "signature_version": "v1",
            "digest": {
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                "line_hashes": [
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            "source": "https://android.googlesource.com/kernel/common/+/dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399",
            "signature_type": "Line",
            "target": {
                "file": "include/net/xfrm.h"
            },
            "deprecated": false,
            "id": "PUB-A-191191823-19b36eff"
        },
        {
            "signature_version": "v1",
            "digest": {
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                "length": 408.0
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            "source": "https://android.googlesource.com/kernel/common/+/dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399",
            "signature_type": "Function",
            "target": {
                "function": "xfrm6_tunnel_net_exit",
                "file": "net/ipv6/xfrm6_tunnel.c"
            },
            "deprecated": false,
            "id": "PUB-A-191191823-a4aa4dff"
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            "signature_version": "v1",
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            "signature_type": "Function",
            "target": {
                "function": "validate_tmpl",
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            "signature_type": "Function",
            "target": {
                "function": "xfrm_state_fini",
                "file": "net/xfrm/xfrm_state.c"
            },
            "deprecated": false,
            "id": "PUB-A-191191823-c7e2f3e7"
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            "signature_version": "v1",
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            "signature_type": "Line",
            "target": {
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            },
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                "function": "parse_ipsecrequest",
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}