CVE-2016-0723
Vulnerability from cvelistv5
Published
2016-02-08 02:00
Modified
2024-08-05 22:30
Severity ?
EPSS score ?
Summary
Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.
References
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}, { "name": "DSA-3503", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "http://www.debian.org/security/2016/dsa-3503" }, { "name": "USN-2967-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "http://www.ubuntu.com/usn/USN-2967-2" }, { "name": "SUSE-SU-2016:1764", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439" }, { "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" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://source.android.com/security/bulletin/2016-07-01.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": "82950", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/82950" }, { "name": "FEDORA-2016-5d43766e33", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html" }, { "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" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html" }, { "name": "1035695", "tags": [ "vdb-entry", "x_refsource_SECTRACK", "x_transferred" ], "url": "http://www.securitytracker.com/id/1035695" }, { "name": "USN-2948-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "http://www.ubuntu.com/usn/USN-2948-1" }, { "name": "DSA-3448", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "http://www.debian.org/security/2016/dsa-3448" }, { "name": "openSUSE-SU-2016:1008", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html" }, { "name": "USN-2929-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "http://www.ubuntu.com/usn/USN-2929-2" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439" }, { "name": "USN-2948-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "http://www.ubuntu.com/usn/USN-2948-2" }, { "name": "FEDORA-2016-2f25d12c51", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html" }, { "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" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://support.f5.com/csp/article/K43650115" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2016-01-31T00:00:00", "descriptions": [ { "lang": "en", "value": "Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2019-07-19T17:06:05", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security-tracker.debian.org/tracker/CVE-2016-0723" }, { "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.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296253" }, { "name": "USN-2930-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2930-2" }, { "name": "DSA-3503", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "http://www.debian.org/security/2016/dsa-3503" }, { "name": "USN-2967-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2967-2" }, { "name": "SUSE-SU-2016:1764", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439" }, { "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" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://source.android.com/security/bulletin/2016-07-01.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": "82950", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/82950" }, { "name": "FEDORA-2016-5d43766e33", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html" }, { "name": "SUSE-SU-2016:2074", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html" }, { "name": "1035695", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1035695" }, { "name": "USN-2948-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2948-1" }, { "name": "DSA-3448", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "http://www.debian.org/security/2016/dsa-3448" }, { "name": "openSUSE-SU-2016:1008", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html" }, { "name": "USN-2929-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2929-2" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439" }, { "name": "USN-2948-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2948-2" }, { "name": "FEDORA-2016-2f25d12c51", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html" }, { "name": "SUSE-SU-2016:0911", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://support.f5.com/csp/article/K43650115" } ] } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-0723", "datePublished": "2016-02-08T02:00:00", "dateReserved": "2015-12-16T00:00:00", "dateUpdated": "2024-08-05T22:30:03.991Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2016-0723\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-02-08T03:59:09.840\",\"lastModified\":\"2016-12-06T03:05:32.453\",\"vulnStatus\":\"Modified\",\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/416.html\\\"\u003eCWE-416: Use After Free\u003c/a\u003e\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.\"},{\"lang\":\"es\",\"value\":\"Condici\u00f3n de carrera en la funci\u00f3n tty_ioctl en drivers/tty/tty_io.c en el kernel de Linux hasta la versi\u00f3n 4.4.1 permite a usuarios locales obtener informaci\u00f3n sensible de la memoria del kernel o provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n y ca\u00edda de aplicaci\u00f3n) al hacer una llamada ioctl TIOCGETD ioctl durante el procesamiento de una llamada ioctl TIOCSETD.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.5,\"impactScore\":4.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":5.6},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":7.8,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.4.1\",\"matchCriteriaId\":\"EDD97C46-E284-47DB-B96A-3B8D5013F2F7\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://source.android.com/security/bulletin/2016-07-01.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3448\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3503\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/82950\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id/1035695\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2929-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2929-2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-3\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2932-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2948-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2948-2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2967-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2967-2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1296253\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2016-0723\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://support.f5.com/csp/article/K43650115\",\"source\":\"secalert@redhat.com\"}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.