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
2026-09-21T16:00:45Z
Summary
[none]
Details

In ip6_mroute_setsockopt 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 

{
    "fixes":  [
        "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745"
    ],
    "severity":  "High",
    "spl":  "2021-02-05",
    "types":  [
        "EoP"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "298009621754784947338976317639313641580",
                    "238898635758313853733269622164346830466",
                    "164981494354328959081603277826549826038",
                    "54730709383692090809855170929975497157",
                    "100812824994221953414922115304082628324",
                    "161321961574033993320537476681077070219",
                    "307616960852696608536787177282000021506",
                    "260955927640175033788372205548123349701",
                    "3013348516959180471679634323967881011",
                    "36801583908514757786675713252300506322",
                    "238898635758313853733269622164346830466",
                    "164981494354328959081603277826549826038"
                ],
                "threshold":  0.9
            },
            "id":  "ASB-A-172999675-74456a17",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target":  {
                "file":  "net/ipv6/ip6mr.c"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "334410933136282710967774068023981460530",
                "length":  2763
            },
            "id":  "ASB-A-172999675-e2fa80cf",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target":  {
                "file":  "net/ipv6/ip6mr.c",
                "function":  "ip6_mroute_setsockopt"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "213724507498041325655797406518481755665",
                "length":  772
            },
            "id":  "ASB-A-172999675-e920a872",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/99253eb750fda6a644d5188fb26c43bad8d5a745",
            "target":  {
                "file":  "net/ipv6/ip6mr.c",
                "function":  "ip6_mroute_getsockopt"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-172999675.json"