ASB-A-150693166

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-150693166.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-150693166
Aliases
Published
2020-12-01T00:00:00Z
Modified
2024-10-23T16:43:06.926828Z
Summary
[none]
Details

In auditfreelsmfield of auditfilter.c, there is a possible bad kfree due to a logic error in auditdatatoentry. 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
:2020-12-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 3591.0,
                "function_hash": "262188255296507625842075697071702071322"
            },
            "id": "ASB-A-150693166-2cb7d8b5",
            "source": "https://android.googlesource.com/kernel/common/+/2ad3e17ebf94b7b7f3f64c050ff168f9915345eb",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "kernel/auditfilter.c",
                "function": "audit_data_to_entry"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                    "50767499278571900786777115030171832129",
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                    "31888528108927617897229064440158833545",
                    "84448697986447306441635035679656726738",
                    "144025954782965084951563756656439483085",
                    "170313191273812626468463772270364602927",
                    "333248594055293915611518991262198810902",
                    "59783601544904464130894031068210201112",
                    "48238227169478142205471660278628900696",
                    "41672313396660055001056083877625276946",
                    "214003543767909984382572164898282291964",
                    "282924885902500257148976841991946254537",
                    "223048105196560746745437056321955654616",
                    "53627253512501429047119946883975273735",
                    "219616349745628213720712376577013891905",
                    "283963557676695802213747314975127181421",
                    "273656317033648809144065737704893072908",
                    "310039714268241659649062295606362885941",
                    "315084894595132378654372713456928273851",
                    "154119856103426292454001406880282571884",
                    "124015898162614780210255657506734683664",
                    "124207153743960250935567817359614056617",
                    "153048774387929105147999885441996296058",
                    "136417199786686894996399420720366913649",
                    "211840676650842940095726349714775078690",
                    "268686139647440531815577365584022473413",
                    "127882950943779954527254396117843952018",
                    "53351867666220115086638698212202189188",
                    "103483723812474125269414283030725370985",
                    "265829811888219379433303618133097570522",
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                    "211840676650842940095726349714775078690",
                    "193580817198326137167812747584757047487",
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                    "324591286527466813078954433957541269116",
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                    "330332080155768710519069543564593935249",
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                    "211840676650842940095726349714775078690",
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                    "21241484165244501140024064164445543529",
                    "30963839319373696656996015835746271000",
                    "239485955192251444650256782046408994758",
                    "247683033351277952499436307688996298837",
                    "243454099898185198731971492951940856826",
                    "108495023009607383559146193386054706804",
                    "136252688663382179044827454806103652121",
                    "1272715372609216643903115861645229265",
                    "85577835452524913333902766216798345941",
                    "153095717059807488132964599499364781559",
                    "326739567074868613411720547276050423903",
                    "237240067380879796977600526032081019411",
                    "211840676650842940095726349714775078690",
                    "195230615717211493717469139561899427695",
                    "162554109719924627922443387326413572676",
                    "264834071073267574876220737203550577022",
                    "41437096957090518402679123537108280249",
                    "266737351318371305323467437281474691580",
                    "235536158269672325666820542859051141663",
                    "292604153892070604092198405765848372834",
                    "11824543486525532556152847182745448705",
                    "142817662931435557744694740603713231625",
                    "331318686389710491539660643214296578332",
                    "180635996297300982257064365523581658723",
                    "217898223302724187441156363615921668257",
                    "175289658647832783601090359132033125621",
                    "109367842031855669099981976734094323731",
                    "132759606558636876860866177364620579599",
                    "280849594327729146074182145607247674618",
                    "191629326517677715884199181763126676506",
                    "27793219605463335627360929778610712619",
                    "198832386553704380516357304809091339440",
                    "337068165094842025191864577899095368431",
                    "14075623874692587671684539082274243437",
                    "111331879496888133595615321740787610463"
                ]
            },
            "id": "ASB-A-150693166-f57e98ad",
            "source": "https://android.googlesource.com/kernel/common/+/2ad3e17ebf94b7b7f3f64c050ff168f9915345eb",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "kernel/auditfilter.c"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/2ad3e17ebf94b7b7f3f64c050ff168f9915345eb"
    ],
    "spl": "2020-12-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}