CVE-2017-2647

The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyringsearchiterator function in keyring.c.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81

Affected versions

v2.*

v2.6.12

v2.6.12-rc2

v2.6.12-rc3

v2.6.12-rc4

v2.6.12-rc5

v2.6.12-rc6

v2.6.13

v2.6.13-rc1

v2.6.13-rc2

v2.6.13-rc3

v2.6.13-rc4

v2.6.13-rc5

v2.6.13-rc6

v2.6.13-rc7

v2.6.14

v2.6.14-rc1

v2.6.14-rc2

v2.6.14-rc3

v2.6.14-rc4

v2.6.14-rc5

v2.6.15

v2.6.15-rc1

v2.6.15-rc2

v2.6.15-rc3

v2.6.15-rc4

v2.6.15-rc5

v2.6.15-rc6

v2.6.15-rc7

v2.6.16

v2.6.16-rc1

v2.6.16-rc2

v2.6.16-rc3

v2.6.16-rc4

v2.6.16-rc5

v2.6.16-rc6

v2.6.17

v2.6.17-rc1

v2.6.17-rc2

v2.6.17-rc3

v2.6.17-rc4

v2.6.17-rc5

v2.6.17-rc6

v2.6.18

v2.6.18-rc1

v2.6.18-rc2

v2.6.18-rc3

v2.6.18-rc4

v2.6.18-rc5

v2.6.18-rc6

v2.6.18-rc7

v2.6.19

v2.6.19-rc1

v2.6.19-rc2

v2.6.19-rc3

v2.6.19-rc4

v2.6.19-rc5

v2.6.19-rc6

v2.6.20

v2.6.20-rc1

v2.6.20-rc2

v2.6.20-rc3

v2.6.20-rc4

v2.6.20-rc5

v2.6.20-rc6

v2.6.20-rc7

v2.6.21

v2.6.21-rc1

v2.6.21-rc2

v2.6.21-rc3

v2.6.21-rc4

v2.6.21-rc5

v2.6.21-rc6

v2.6.21-rc7

v2.6.22

v2.6.22-rc1

v2.6.22-rc2

v2.6.22-rc3

v2.6.22-rc4

v2.6.22-rc5

v2.6.22-rc6

v2.6.22-rc7

v2.6.23

v2.6.23-rc1

v2.6.23-rc2

v2.6.23-rc3

v2.6.23-rc4

v2.6.23-rc5

v2.6.23-rc6

v2.6.23-rc7

v2.6.23-rc8

v2.6.23-rc9

v2.6.24

v2.6.24-rc1

v2.6.24-rc2

v2.6.24-rc3

v2.6.24-rc4

v2.6.24-rc5

v2.6.24-rc6

v2.6.24-rc7

v2.6.24-rc8

v2.6.25

v2.6.25-rc1

v2.6.25-rc2

v2.6.25-rc3

v2.6.25-rc4

v2.6.25-rc5

v2.6.25-rc6

v2.6.25-rc7

v2.6.25-rc8

v2.6.25-rc9

v2.6.26

v2.6.26-rc1

v2.6.26-rc2

v2.6.26-rc3

v2.6.26-rc4

v2.6.26-rc5

v2.6.26-rc6

v2.6.26-rc7

v2.6.26-rc8

v2.6.26-rc9

v2.6.27

v2.6.27-rc1

v2.6.27-rc2

v2.6.27-rc3

v2.6.27-rc4

v2.6.27-rc5

v2.6.27-rc6

v2.6.27-rc7

v2.6.27-rc8

v2.6.27-rc9

v2.6.28

v2.6.28-rc1

v2.6.28-rc2

v2.6.28-rc3

v2.6.28-rc4

v2.6.28-rc5

v2.6.28-rc6

v2.6.28-rc7

v2.6.28-rc8

v2.6.28-rc9

v2.6.29

v2.6.29-rc1

v2.6.29-rc2

v2.6.29-rc3

v2.6.29-rc4

v2.6.29-rc5

v2.6.29-rc6

v2.6.29-rc7

v2.6.29-rc8

v2.6.30

v2.6.30-rc1

v2.6.30-rc2

v2.6.30-rc3

v2.6.30-rc4

v2.6.30-rc5

v2.6.30-rc6

v2.6.30-rc7

v2.6.30-rc8

v2.6.31

v2.6.31-rc1

v2.6.31-rc2

v2.6.31-rc3

v2.6.31-rc4

v2.6.31-rc5

v2.6.31-rc6

v2.6.31-rc7

v2.6.31-rc8

v2.6.31-rc9

v2.6.32

v2.6.32-rc1

v2.6.32-rc2

v2.6.32-rc3

v2.6.32-rc4

v2.6.32-rc5

v2.6.32-rc6

v2.6.32-rc7

v2.6.32-rc8

v2.6.33

v2.6.33-rc1

v2.6.33-rc2

v2.6.33-rc3

v2.6.33-rc4

v2.6.33-rc5

v2.6.33-rc6

v2.6.33-rc7

v2.6.33-rc8

v2.6.34

v2.6.34-rc1

v2.6.34-rc2

v2.6.34-rc3

v2.6.34-rc4

v2.6.34-rc5

v2.6.34-rc6

v2.6.34-rc7

v2.6.35

v2.6.35-rc1

v2.6.35-rc2

v2.6.35-rc3

v2.6.35-rc4

v2.6.35-rc5

v2.6.35-rc6

v2.6.36

v2.6.36-rc1

v2.6.36-rc2

v2.6.36-rc3

v2.6.36-rc4

v2.6.36-rc5

v2.6.36-rc6

v2.6.36-rc7

v2.6.36-rc8

v2.6.37

v2.6.37-rc1

v2.6.37-rc2

v2.6.37-rc3

v2.6.37-rc4

v2.6.37-rc5

v2.6.37-rc6

v2.6.37-rc7

v2.6.37-rc8

v2.6.38

v2.6.38-rc1

v2.6.38-rc2

v2.6.38-rc3

v2.6.38-rc4

v2.6.38-rc5

v2.6.38-rc6

v2.6.38-rc7

v2.6.38-rc8

v2.6.39

v2.6.39-rc1

v2.6.39-rc2

v2.6.39-rc3

v2.6.39-rc4

v2.6.39-rc5

v2.6.39-rc6

v2.6.39-rc7

v3.*

v3.0

v3.0-rc1

v3.0-rc2

v3.0-rc3

v3.0-rc4

v3.0-rc5

v3.0-rc6

v3.0-rc7

v3.1

v3.1-rc1

v3.1-rc10

v3.1-rc2

v3.1-rc3

v3.1-rc4

v3.1-rc5

v3.1-rc6

v3.1-rc7

v3.1-rc8

v3.1-rc9

v3.10

v3.10-rc1

v3.10-rc2

v3.10-rc3

v3.10-rc4

v3.10-rc5

v3.10-rc6

v3.10-rc7

v3.11

v3.11-rc1

v3.11-rc2

v3.11-rc3

v3.11-rc4

v3.11-rc5

v3.11-rc6

v3.11-rc7

v3.12

v3.12-rc1

v3.12-rc2

v3.12-rc3

v3.12-rc4

v3.12-rc5

v3.12-rc6

v3.12-rc7

v3.13

v3.13-rc1

v3.13-rc2

v3.13-rc3

v3.13-rc4

v3.13-rc5

v3.13-rc6

v3.13-rc7

v3.13-rc8

v3.14

v3.14-rc1

v3.14-rc2

v3.14-rc3

v3.14-rc4

v3.14-rc5

v3.14-rc6

v3.14-rc7

v3.14-rc8

v3.15

v3.15-rc1

v3.15-rc2

v3.15-rc3

v3.15-rc4

v3.15-rc5

v3.15-rc6

v3.15-rc7

v3.15-rc8

v3.16-rc1

v3.16-rc2

v3.16-rc3

v3.16-rc4

v3.16-rc5

v3.2

v3.2-rc1

v3.2-rc2

v3.2-rc3

v3.2-rc4

v3.2-rc5

v3.2-rc6

v3.2-rc7

v3.3

v3.3-rc1

v3.3-rc2

v3.3-rc3

v3.3-rc4

v3.3-rc5

v3.3-rc6

v3.3-rc7

v3.4

v3.4-rc1

v3.4-rc2

v3.4-rc3

v3.4-rc4

v3.4-rc5

v3.4-rc6

v3.4-rc7

v3.5

v3.5-rc1

v3.5-rc2

v3.5-rc3

v3.5-rc4

v3.5-rc5

v3.5-rc6

v3.5-rc7

v3.6

v3.6-rc1

v3.6-rc2

v3.6-rc3

v3.6-rc4

v3.6-rc5

v3.6-rc6

v3.6-rc7

v3.7

v3.7-rc1

v3.7-rc2

v3.7-rc3

v3.7-rc4

v3.7-rc5

v3.7-rc6

v3.7-rc7

v3.7-rc8

v3.8

v3.8-rc1

v3.8-rc2

v3.8-rc3

v3.8-rc4

v3.8-rc5

v3.8-rc6

v3.8-rc7

v3.9

v3.9-rc1

v3.9-rc2

v3.9-rc3

v3.9-rc4

v3.9-rc5

v3.9-rc6

v3.9-rc7

v3.9-rc8

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-2647.json"

vanir_signatures

[
    {
        "signature_type": "Line",
        "target": {
            "file": "include/linux/key-type.h"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-10657609",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "82037882400246164608691913602295052062",
                "269085303571233771088371679907119334632",
                "195601413847947779682501017727256722863",
                "340229952844117672774987830380231388061",
                "32723372891906313192921806707042062265"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "net/dns_resolver/dns_key.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-10f4f633",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "318838184448618880343686514747751072161",
                "53228001017331448657905816886239690651",
                "67685851859736540114676822564901715276",
                "119753157770285948394082747341209302594",
                "174819848314483450151612808396463927926",
                "296416625617326041504892033425183783938",
                "302369317196958850818006032148180580242",
                "206983716762258636339727881119691837410",
                "131312810987210707558192951807006052893",
                "56775540529154870935479161390689792136",
                "112000559245056162822283594992825831175",
                "59995143027699516625402380531276022336",
                "165627664898604557192166764228000508976"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "security/keys/key.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-135d074c",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "332067396163136641110986311612602283502",
                "164149605023726301540760777770951896926",
                "309124972716428540356243199804564774898",
                "213436198500294348323601242353012578549"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "crypto/asymmetric_keys/asymmetric_type.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-150712d8",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "327860921822768531686892773147825492980",
                "19623008670577904101313573584840398486",
                "229795485382457464020018371555438015490",
                "22152169078925408281464708954715433297",
                "96280035808644706332079398740799283508",
                "127549327947072452868560492740414428593",
                "3041664356728624526106102059370621722",
                "235451919876544702686809781611461734316",
                "14859388645338622719610431635321384231",
                "329445532784453529812126069701268681838",
                "132093343964533400593518954361309148135",
                "185768957859394020543256293968857639230",
                "216005108423933888923772219901573955965"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "security/keys/trusted.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-16f0a282",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "226010470652466258862215871975594778919",
                "333867449368893724966832046993652909000",
                "23844461551759975872851356285680528390",
                "135300965417040676246315452664742971355"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "include/keys/user-type.h"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-18d01886",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "10633360258442522206062693774303136558",
                "222649546502445661161416277057036488033",
                "85782679849014988919161668761516764960",
                "203156006005663733535837715455584909099",
                "285296958041716862170657384930322870893",
                "112669165730201163875425422058050926644",
                "308334962976625883656466710634635122694",
                "29905529216771423281859854115396468114",
                "166427049522373118416982783896258205506"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "security/keys/user_defined.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-1becaf27",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "24848178393125782854813357892216654327",
                "187925155559304623178115423940943539507",
                "327833042453575998833533696134059681168",
                "294203767416137927859506187427104708432",
                "24848178393125782854813357892216654327",
                "187925155559304623178115423940943539507",
                "327833042453575998833533696134059681168",
                "294203767416137927859506187427104708432",
                "125461958351641980164219025406770009964",
                "237397649471343142482242385355055206083",
                "264153079121553005235806840446023757426",
                "19124546708046668852636600729504640946",
                "171541335935764064878985256251157162367",
                "155826218757601925300940706901398052204",
                "320237668411220627339049037566259533251",
                "72725410890452742658086379315888812515"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "security/keys/keyring.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-2b3a92c7",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "182993852499923236617856597764471039633",
                "276331162471097417985735855278810960933",
                "180559429484093114340504815417736501522",
                "228363977678200842886520709233795129839",
                "272245066247612898416852755500109200879",
                "179757899628575205243045413538128556577",
                "194483494537548948721739458608880451456",
                "173815155803330984751324044033322141770",
                "160668366260780062125868745447779299466",
                "100078775931667634907992505826794745618",
                "203060567759996546852157053529637840413",
                "28148941719724026090579961480216000268",
                "163990234739786813697031373832777414563",
                "95033827725493298009057420381855801759",
                "95858991471604712464445353745986793953",
                "104486619350470351148937548324833782343"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Function",
        "target": {
            "file": "security/keys/request_key.c",
            "function": "request_key_and_link"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-400de922",
        "signature_version": "v1",
        "digest": {
            "function_hash": "199109107133859866734990884188601304023",
            "length": 1311.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "fs/cifs/cifs_spnego.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-537b62cc",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "282080657859827348665032554097168579304",
                "308400153143279841192853644690825919215",
                "48366975722369392988928132305557186451",
                "88056765241353994986240778623351067125"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "net/ceph/crypto.c"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-5bf89757",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "42189337537661989554749595243776064762",
                "22682400192198531138486020863746568514",
                "273990514243888635551874743220053051717",
                "190042590399284581640011992672438807245"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
        "signature_type": "Function",
        "target": {
            "file": "security/keys/request_key_auth.c",
            "function": "key_get_instantiation_authkey"
        },
        "deprecated": false,
        "id": "CVE-2017-2647-5ff36ad1",
        "signature_version": "v1",
        "digest": {
            "function_hash": "249225625624179406511790542681705026528",
            "length": 677.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
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Git / github.com/torvalds/linux