CVE-2016-2546

Source
https://cve.org/CVERecord?id=CVE-2016-2546
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-2546.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2016-2546
Downstream
Related
Published
2016-04-27T17:59:16.007Z
Modified
2026-02-24T08:13:43.898713Z
Severity
  • 5.1 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

sound/core/timer.c in the Linux kernel before 4.4.1 uses an incorrect type of mutex, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.

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
af368027a49a751d6ff4ee9e3f9961f35bb4fede

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-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
[
    {
        "target": {
            "file": "sound/core/timer.c",
            "function": "snd_timer_user_release"
        },
        "id": "CVE-2016-2546-3a84f5bc",
        "deprecated": false,
        "digest": {
            "length": 304.0,
            "function_hash": "93658301043610627059593339139590449747"
        },
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@af368027a49a751d6ff4ee9e3f9961f35bb4fede",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "sound/core/timer.c",
            "function": "snd_timer_user_tselect"
        },
        "id": "CVE-2016-2546-6659e5eb",
        "deprecated": false,
        "digest": {
            "length": 1391.0,
            "function_hash": "246823642455469834764507836384649061058"
        },
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@af368027a49a751d6ff4ee9e3f9961f35bb4fede",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "sound/core/timer.c",
            "function": "snd_timer_user_ioctl"
        },
        "id": "CVE-2016-2546-8c8c2e6d",
        "deprecated": false,
        "digest": {
            "length": 1544.0,
            "function_hash": "232921382858896732092592046340887693173"
        },
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@af368027a49a751d6ff4ee9e3f9961f35bb4fede",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "sound/core/timer.c",
            "function": "snd_timer_user_open"
        },
        "id": "CVE-2016-2546-a26ff4e0",
        "deprecated": false,
        "digest": {
            "length": 573.0,
            "function_hash": "253399291754686931408917910821732025507"
        },
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@af368027a49a751d6ff4ee9e3f9961f35bb4fede",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "sound/core/timer.c"
        },
        "id": "CVE-2016-2546-a2de0070",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "167468526649142956732133350238527039935",
                "280815561090248041395520920758609995162",
                "41092840891674736576361574543413332946",
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                "107591139278623660907097240709036442202",
                "226821240153925154684598677089995450693",
                "251457243490602671305299216840744310172",
                "201552571849307478354334330968862888055",
                "217105521143464620705719045430726976538",
                "229779334889667718195746043754972913505",
                "236086503183989441012533561519938823994",
                "112604076571688227768052858246285509961",
                "200084453707913055062956086036479282474",
                "158515847574593241460660328182214033351",
                "118688897651125792809705229284335086964",
                "49819817887641712344316879648770462894",
                "327860973079972413663730264313481749733",
                "91590517646010573894934170740626784613",
                "37838770887045118939989888745674955284",
                "278019661668580388207308805519217060636",
                "224317236271301154927075783115916638076",
                "144366414618953271952053919658617268867",
                "229906225547153862869674508213213976155",
                "172849998909817851520549813621523519300",
                "72870685664015702705107362457428773455",
                "198334742622700894443580080126294053602",
                "298908342781774879945039556473974239682",
                "92403265250941708214779002326888469971",
                "166525317785192807960247839080549982426",
                "238178550821491799457417812733265615475",
                "287987705258422111428412499121850528760",
                "265035473413517661266144083844209016875",
                "231988562306428316373175902520607560939",
                "118580844757599990801758703184117402044",
                "310965745934518236637455779845370481823",
                "306864329129755751235202885716938565346",
                "189749904878324132867531906846312025153"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@af368027a49a751d6ff4ee9e3f9961f35bb4fede",
        "signature_type": "Line"
    }
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-2546.json"