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
2026-03-10T22:07:48Z
Summary
[none]
Details

In icmp_global_allow 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 

{
    "fixes":  [
        "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54"
    ],
    "severity":  "High",
    "spl":  "2021-04-05",
    "types":  [
        "ID"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "163913056625793112109650011569155398386",
                    "210684640381025930440861970689826949797",
                    "209938629944047462960407534985341434993",
                    "40753138780160875603608046948079932055",
                    "297873878207537430882684102534028570754",
                    "308012898973444846626945894151657072823",
                    "230341944539684975838520879358771435882"
                ],
                "threshold":  0.9
            },
            "id":  "ASB-A-174737972-43743423",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54",
            "target":  {
                "file":  "net/ipv4/icmp.c"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "319530313875119990490265042306097655903",
                "length":  676
            },
            "id":  "ASB-A-174737972-4bb1e52a",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/d6c552505c0d1719dda42b4af2def0618bd7bf54",
            "target":  {
                "file":  "net/ipv4/icmp.c",
                "function":  "icmp_global_allow"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv-test/ASB-A-174737972.json"