CVE-2016-2847

fs/pipe.c in the Linux kernel before 4.5 does not limit the amount of unread data in pipes, which allows local users to cause a denial of service (memory consumption) by creating many pipes with non-default sizes.

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

759c01142a5d0f364a462346168a56de28a80f52

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

v4.2

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

Database specific

vanir_signatures

[
    {
        "id": "CVE-2016-2847-1ec6bc25",
        "deprecated": false,
        "signature_type": "Function",
        "target": {
            "file": "fs/pipe.c",
            "function": "alloc_pipe_info"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "length": 394.0,
            "function_hash": "159212217996474306100707289539917597711"
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-284020fb",
        "deprecated": false,
        "signature_type": "Function",
        "target": {
            "file": "fs/pipe.c",
            "function": "free_pipe_info"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "length": 304.0,
            "function_hash": "9826055533231251989246385628315165192"
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-8ebdb4b7",
        "deprecated": false,
        "signature_type": "Function",
        "target": {
            "file": "fs/pipe.c",
            "function": "pipe_fcntl"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "length": 618.0,
            "function_hash": "13525338182300267228205594250185100703"
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-9494d463",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "include/linux/sched.h"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "line_hashes": [
                "2970803820312540229149461766764273487",
                "337131029388447680073520105755391984696",
                "239848811018323912732156557345723079596",
                "105729707691997709423439201030524830501"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-aaa995be",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "fs/pipe.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "line_hashes": [
                "146511006400634390463007417019100270246",
                "6557854735873156433027806710866922811",
                "335524008467050564816938846076600910047",
                "237138065973622512451667430805629176924",
                "250840378357544767992746312060508662920",
                "263906813543886088807953990813042692292",
                "167863358760285523654250941564555115237",
                "69557918871261674552518243946649078103",
                "118395554087385067721269861362159816406",
                "4545941566126139804849403523054499155",
                "309828736140206013644453353364733256158",
                "284297436891019701330850778085018449905",
                "217235793862882424035700726457579966665",
                "129106958878421399653009332812802981135",
                "163910783980629412406831793839370526818",
                "89582898040510836041884322818722789709",
                "216504350491098244420338938587698921102",
                "305391763069378633281412973739691657010",
                "253698133718172649204919139633402427102",
                "199384173194699746811783699097700559002",
                "61966554026060482230451592177951586779",
                "91255410593383989187613728432194890952",
                "79371503405172735853916188777426565659",
                "108864777720923707923367744083496200016",
                "146198093590389684243262827280182788648",
                "69537672659211650143938158893494026283",
                "250887083031219865211904228728294295398",
                "119287496875529822993741605009685071689",
                "149967548476990507103091273469802373835"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-b8b86818",
        "deprecated": false,
        "signature_type": "Function",
        "target": {
            "file": "fs/pipe.c",
            "function": "pipe_set_size"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "length": 755.0,
            "function_hash": "13738447304655182940178979055473819320"
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-ca30115a",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "include/linux/pipe_fs_i.h"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "line_hashes": [
                "26651255485875776249244118530615815718",
                "49072043545631355319977013686539061657",
                "48702790981573862211193566646350122416",
                "105362252250479109807894118248456857442",
                "145880535692122893810319251254987564547",
                "61505585331578711616988652108573598614",
                "174507404196940368532628118098936467158",
                "257596395722169885466015981148891097943",
                "246086423447353162063028013592814521053",
                "319524503219686426883961829408495774094",
                "226406403443223508924348041710970596053"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2016-2847-e0d8dc46",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "kernel/sysctl.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@759c01142a5d0f364a462346168a56de28a80f52",
        "digest": {
            "line_hashes": [
                "10473301146441202463289491397401828423",
                "42210259354502147747304737369759443852",
                "315813764829983910493700618404397159812",
                "63598946016393672720631452802178432673"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1"
    }
]

Git / github.com/torvalds/linux