ASB-A-156766097

See a problem?
Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-156766097.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-156766097
Aliases
Published
2021-01-01T00:00:00Z
Modified
2024-10-23T16:43:06.926828Z
Summary
[none]
Details

In spectrev2userselectmitigation of bugs.c, there is a possible failure to enable a Spectre mitigation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / :linux_kernel:

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2021-01-05

Affected versions

Other

Kernel

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1742.0,
                "function_hash": "68387579215200689532030260593294665825"
            },
            "id": "ASB-A-156766097-5362dac8",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "spectre_v2_user_select_mitigation"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 780.0,
                "function_hash": "20062910062754643001478515319828839684"
            },
            "id": "ASB-A-156766097-6deae108",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "cpu_bugs_smt_update"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 717.0,
                "function_hash": "315465907148056470696049626562340066763"
            },
            "id": "ASB-A-156766097-9447cd45",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "ib_prctl_set"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 221.0,
                "function_hash": "118611778568922724823566210967516675683"
            },
            "id": "ASB-A-156766097-a1cf2c29",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "arch_seccomp_spec_mitigate"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 572.0,
                "function_hash": "286477930041857219423342677977109922394"
            },
            "id": "ASB-A-156766097-e3c8beee",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "ib_prctl_get"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "228928855909060019856943404854234150243",
                    "330769517936622111367727957632979962704",
                    "29131053358709940863973745848097681630",
                    "286349779456563978482953362243802420821",
                    "176806237075469307512394374879857523961",
                    "17760055884296936999807499537786013313",
                    "47421736163618346112684902331456503689",
                    "329482688497737072330302686953598436185",
                    "224037725934225999994417083455153872618",
                    "238152342300009427207111799921658907036",
                    "92725688848845966742380479337877963614",
                    "306639875336364876839115764883924582452",
                    "100976398929682902125068660749563059706",
                    "280081607050598749272023717399347633774",
                    "2954124610970388610105181324610594474",
                    "155711973090341424268522810018498237500",
                    "329872699168090749590813212768231513303",
                    "217215322955449206335928399307203983168",
                    "161191705863270090274052343846003068835",
                    "132934957554997026833210651242155736523",
                    "170475092922955678509678428607352936795",
                    "254949678867157683299420700542109384708",
                    "124869493388487077645418424137742335903",
                    "174118938130692923118092451225331033056",
                    "305160457490679423978171639736178711322",
                    "320940826241945829952035644909451819926",
                    "148930356543264936003480726368837780906",
                    "267227463566449232124376006118451541902",
                    "34841128414079482721431921694689166428",
                    "87923541675287633410459117742846107701",
                    "316802964904488578055841754094136210533",
                    "136958200499115578413571564065099888648",
                    "119483724488113904349372438171375952009",
                    "197337729333259985060137172239320505628",
                    "329737253840969054728999432564913477414",
                    "47088732280639467161715943353039407668",
                    "237383282431272198145299313310220225052",
                    "149494446097451707622916618149366525362",
                    "170274095612732060586217014839153343096",
                    "156443059740294297133010802056821099415",
                    "330893816899630212615868187503910386798",
                    "24592397142706076756716922159298525249",
                    "279862642826071021583775112258330262938",
                    "92940395331321719564748808576721512754",
                    "306558267970200317200190840564038704950",
                    "274209944012748640856239172091267097729",
                    "269161139470219081384571146629399941291",
                    "69586767640921823281187154149758488757",
                    "103732763986412256115947056145474103040",
                    "277550541533224359833841383190919934301",
                    "190663943188852685705529776840894080832",
                    "214032991353571543325819719334208051144",
                    "77418178600500251749346807102629263979",
                    "23438954278845544991260185316163404947",
                    "137056532106803208912006162535164361898",
                    "248669405692003264984069473660978598932",
                    "282359557290970587689146943671007074150",
                    "222602815372021292338229989527927354736",
                    "319655191619003432734363225686281255629",
                    "281563216145373126408647342823539636026",
                    "318832939422916977825760704237572643127",
                    "205093374621831262189714072314196269593",
                    "179767872085771946153016021174700520269",
                    "211640207605928403166870457227898380726",
                    "168634358118478773759650979029800072984",
                    "20136475945972082586201374384561373725",
                    "168939410703793940325689035055542507798",
                    "103731119176355950671306737422787949691"
                ]
            },
            "id": "ASB-A-156766097-ee1d1ab6",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 465.0,
                "function_hash": "287601828443776033056957123457497823774"
            },
            "id": "ASB-A-156766097-fa703fce",
            "source": "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/x86/kernel/cpu/bugs.c",
                "function": "stibp_state"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/21998a351512eba4ed5969006f0c55882d995ada"
    ],
    "spl": "2021-01-05",
    "severity": "High",
    "types": [
        "ID"
    ]
}