{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-01-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-06T09:57:02.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "USN-2930-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2930-1"}, {"name": "USN-2967-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2967-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, {"name": "USN-2930-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2930-2"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"name": "DSA-3503", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3503"}, {"name": "83378", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/83378"}, {"name": "USN-2967-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2967-2"}, {"name": "[oss-security] 20160119 Security bugs in Linux kernel sound subsystem", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/01/19/1"}, {"name": "USN-2930-3", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2930-3"}, {"name": "SUSE-SU-2016:1102", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"}, {"name": "USN-2929-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2929-1"}, {"name": "USN-2932-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2932-1"}, {"name": "SUSE-SU-2016:2074", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"name": "1035298", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1035298"}, {"name": "USN-2931-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2931-1"}, {"name": "USN-2929-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2929-2"}, {"name": "SUSE-SU-2016:0911", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-2547", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "USN-2930-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2930-1"}, {"name": "USN-2967-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2967-1"}, {"name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1", "refsource": "CONFIRM", "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, {"name": "USN-2930-2", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2930-2"}, {"name": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d", "refsource": "CONFIRM", "url": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d", "refsource": "CONFIRM", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"name": "DSA-3503", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3503"}, {"name": "83378", "refsource": "BID", "url": "http://www.securityfocus.com/bid/83378"}, {"name": "USN-2967-2", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2967-2"}, {"name": "[oss-security] 20160119 Security bugs in Linux kernel sound subsystem", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/01/19/1"}, {"name": "USN-2930-3", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2930-3"}, {"name": "SUSE-SU-2016:1102", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"}, {"name": "USN-2929-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2929-1"}, {"name": "USN-2932-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2932-1"}, {"name": "SUSE-SU-2016:2074", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"name": "1035298", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1035298"}, {"name": "USN-2931-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2931-1"}, {"name": "USN-2929-2", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2929-2"}, {"name": "SUSE-SU-2016:0911", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:32:21.009Z"}, "title": "CVE Program Container", "references": [{"name": "USN-2930-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2930-1"}, {"name": "USN-2967-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2967-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, {"name": "USN-2930-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2930-2"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"name": "DSA-3503", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3503"}, {"name": "83378", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/83378"}, {"name": "USN-2967-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2967-2"}, {"name": "[oss-security] 20160119 Security bugs in Linux kernel sound subsystem", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/01/19/1"}, {"name": "USN-2930-3", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2930-3"}, {"name": "SUSE-SU-2016:1102", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"}, {"name": "USN-2929-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2929-1"}, {"name": "USN-2932-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2932-1"}, {"name": "SUSE-SU-2016:2074", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"name": "1035298", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1035298"}, {"name": "USN-2931-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2931-1"}, {"name": "USN-2929-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2929-2"}, {"name": "SUSE-SU-2016:0911", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-2547", "datePublished": "2016-04-27T17:00:00.000Z", "dateReserved": "2016-02-23T00:00:00.000Z", "dateUpdated": "2024-08-05T23:32:21.009Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B458ACF-17C3-4551-9F11-8D02B6D52B7C", "versionEndIncluding": "4.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call."}, {"lang": "es", "value": "sound/core/timer.c en el kernel de Linux en versiones anteriores a 4.4.1 emplea un enfoque de bloqueo que no considera los casos de temporizador de esclavos, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (condici\u00f3n de carrera, uso despu\u00e9s de liberaci\u00f3n de memoria y ca\u00edda del sistema) a trav\u00e9s de una llamada ioctl manipulada."}], "id": "CVE-2016-2547", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.4, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-27T17:59:17.100", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3503"}, {"source": "cve@mitre.org", "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2016/01/19/1"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/83378"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035298"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2929-1"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2929-2"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2930-1"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2930-2"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2930-3"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2931-1"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2932-1"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2967-1"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2967-2"}, {"source": "cve@mitre.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3503"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2016/01/19/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/83378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035298"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2929-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2929-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2930-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2930-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2930-3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2931-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2932-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2967-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2967-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: sound: use-after-free in snd_timer_user_ioctl", "id": "1311566", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311566"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:P/A:C", "status": "draft"}, "cwe": "CWE-416", "details": ["sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call."], "name": "CVE-2016-2547", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-01-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2547\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2547\nhttp://marc.info/?l=linux-kernel&m=145269654327048\nhttps://gist.githubusercontent.com/dvyukov/e833610757b098956b50/raw/d819cd13b466e4adbe3dd825ee481e4512e77633/gistfile1.txt"], "statement": "This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\nThis issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2, as the flaw was already fixed in the products listed.", "threat_severity": "Moderate"}

{}