CVE-2017-17862

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.

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

c131187db2d3fa2f8bf32fdf4e9a4ef805168467

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

v3.16-rc1

v3.16-rc2

v3.16-rc3

v3.16-rc4

v3.16-rc5

v3.16-rc6

v3.16-rc7

v3.17

v3.17-rc1

v3.17-rc2

v3.17-rc3

v3.17-rc4

v3.17-rc5

v3.17-rc6

v3.17-rc7

v3.18

v3.18-rc1

v3.18-rc2

v3.18-rc3

v3.18-rc4

v3.18-rc5

v3.18-rc6

v3.18-rc7

v3.19

v3.19-rc1

v3.19-rc2

v3.19-rc3

v3.19-rc4

v3.19-rc5

v3.19-rc6

v3.19-rc7

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

v4.*

v4.0

v4.0-rc1

v4.0-rc2

v4.0-rc3

v4.0-rc4

v4.0-rc5

v4.0-rc6

v4.0-rc7

v4.1

v4.1-rc1

v4.1-rc2

v4.1-rc3

v4.1-rc4

v4.1-rc5

v4.1-rc6

v4.1-rc7

v4.1-rc8

v4.10

v4.10-rc1

v4.10-rc2

v4.10-rc3

v4.10-rc4

v4.10-rc5

v4.10-rc6

v4.10-rc7

v4.10-rc8

v4.11

v4.11-rc1

v4.11-rc2

v4.11-rc3

v4.11-rc4

v4.11-rc5

v4.11-rc6

v4.11-rc7

v4.11-rc8

v4.12

v4.12-rc1

v4.12-rc2

v4.12-rc3

v4.12-rc4

v4.12-rc5

v4.12-rc6

v4.12-rc7

v4.13

v4.13-rc1

v4.13-rc2

v4.13-rc3

v4.13-rc4

v4.13-rc5

v4.13-rc6

v4.13-rc7

v4.14

v4.14-rc1

v4.14-rc2

v4.14-rc3

v4.14-rc4

v4.14-rc5

v4.14-rc6

v4.14-rc7

v4.14-rc8

v4.2

v4.2-rc1

v4.2-rc2

v4.2-rc3

v4.2-rc4

v4.2-rc5

v4.2-rc6

v4.2-rc7

v4.2-rc8

v4.3

v4.3-rc1

v4.3-rc2

v4.3-rc3

v4.3-rc4

v4.3-rc5

v4.3-rc6

v4.3-rc7

v4.4

v4.4-rc1

v4.4-rc2

v4.4-rc3

v4.4-rc4

v4.4-rc5

v4.4-rc6

v4.4-rc7

v4.4-rc8

v4.5

v4.5-rc1

v4.5-rc2

v4.5-rc3

v4.5-rc4

v4.5-rc5

v4.5-rc6

v4.5-rc7

v4.6

v4.6-rc1

v4.6-rc2

v4.6-rc3

v4.6-rc4

v4.6-rc5

v4.6-rc6

v4.6-rc7

v4.7

v4.7-rc1

v4.7-rc2

v4.7-rc3

v4.7-rc4

v4.7-rc5

v4.7-rc6

v4.7-rc7

v4.8

v4.8-rc1

v4.8-rc2

v4.8-rc3

v4.8-rc4

v4.8-rc5

v4.8-rc6

v4.8-rc7

v4.8-rc8

v4.9

v4.9-rc1

v4.9-rc2

v4.9-rc3

v4.9-rc4

v4.9-rc5

v4.9-rc6

v4.9-rc7

v4.9-rc8

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "233423661372599754514999994957248947585",
                "119092652958191721484088079879929226413",
                "28582807897974907427350479997220027005",
                "207096617908565363699881400756551613778"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c131187db2d3fa2f8bf32fdf4e9a4ef805168467",
        "deprecated": false,
        "id": "CVE-2017-17862-10ebb985",
        "signature_type": "Line",
        "target": {
            "file": "include/linux/bpf_verifier.h"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 2599.0,
            "function_hash": "234691456278808831857022374918932832998"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c131187db2d3fa2f8bf32fdf4e9a4ef805168467",
        "deprecated": false,
        "id": "CVE-2017-17862-416e4f17",
        "signature_type": "Function",
        "target": {
            "function": "bpf_check",
            "file": "kernel/bpf/verifier.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "98173106329630578066850905037886301929",
                "179840322313876400866467200289271255369",
                "212099477140458564760614180707768082065",
                "325783621672030235339435644483984135866",
                "204573206374917259670621106769356715402",
                "6208715385039560367532524270566776130",
                "66554415888320730970239375934553323948",
                "87789698180428343684597847873022363506",
                "325994157212231551771363184245858406663",
                "145940930385298863721283125654172222805",
                "329502443788527440189826216624724605617",
                "176562319585654861536149831318295018176",
                "307446860095694746745475296641249323064",
                "134833323829498829631081728363572243285",
                "145784633272025512853317087475892293350",
                "76358545456416782705033948362645612214",
                "79511372775199420484380584320406819255",
                "165098583564260445201356443367386206123",
                "319866718720270151679860449967885628172",
                "143819563854571252967863401345859713623",
                "61870218376300572229491581072982234799",
                "10340903763396286957842788915187087710"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c131187db2d3fa2f8bf32fdf4e9a4ef805168467",
        "deprecated": false,
        "id": "CVE-2017-17862-68cc412e",
        "signature_type": "Line",
        "target": {
            "file": "kernel/bpf/verifier.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 5334.0,
            "function_hash": "266534433338579281195712017958863390104"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c131187db2d3fa2f8bf32fdf4e9a4ef805168467",
        "deprecated": false,
        "id": "CVE-2017-17862-6f92d8c4",
        "signature_type": "Function",
        "target": {
            "function": "do_check",
            "file": "kernel/bpf/verifier.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 455.0,
            "function_hash": "259496572901808057553252039877115912908"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@c131187db2d3fa2f8bf32fdf4e9a4ef805168467",
        "deprecated": false,
        "id": "CVE-2017-17862-e65cd806",
        "signature_type": "Function",
        "target": {
            "function": "adjust_insn_aux_data",
            "file": "kernel/bpf/verifier.c"
        },
        "signature_version": "v1"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17862.json"

Git / github.com/torvalds/linux