cve-2016-9756
Vulnerability from cvelistv5
Published
2016-12-28 07:42
Modified
2024-08-06 02:59
Severity ?
Summary
arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
References
secalert@redhat.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0cPatch, Vendor Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
secalert@redhat.comhttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12Release Notes
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2016/12/01/1Mailing List, Patch
secalert@redhat.comhttp://www.securityfocus.com/bid/94615
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1400468Issue Tracking
secalert@redhat.comhttps://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12Release Notes
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/12/01/1Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94615
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1400468Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0cPatch, Vendor Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website


{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-06T02:59:03.389Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12",
               },
               {
                  name: "[oss-security] 20161201 CVE request: Kernel: kvm: stack memory information leakage",
                  tags: [
                     "mailing-list",
                     "x_refsource_MLIST",
                     "x_transferred",
                  ],
                  url: "http://www.openwall.com/lists/oss-security/2016/12/01/1",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c",
               },
               {
                  name: "94615",
                  tags: [
                     "vdb-entry",
                     "x_refsource_BID",
                     "x_transferred",
                  ],
                  url: "http://www.securityfocus.com/bid/94615",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=1400468",
               },
               {
                  name: "openSUSE-SU-2017:0002",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_SUSE",
                     "x_transferred",
                  ],
                  url: "http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         datePublic: "2016-12-01T00:00:00",
         descriptions: [
            {
               lang: "en",
               value: "arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2017-01-04T14:57:01",
            orgId: "53f830b8-0a3f-465b-8143-3b8a9948e749",
            shortName: "redhat",
         },
         references: [
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12",
            },
            {
               name: "[oss-security] 20161201 CVE request: Kernel: kvm: stack memory information leakage",
               tags: [
                  "mailing-list",
                  "x_refsource_MLIST",
               ],
               url: "http://www.openwall.com/lists/oss-security/2016/12/01/1",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c",
            },
            {
               name: "94615",
               tags: [
                  "vdb-entry",
                  "x_refsource_BID",
               ],
               url: "http://www.securityfocus.com/bid/94615",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1400468",
            },
            {
               name: "openSUSE-SU-2017:0002",
               tags: [
                  "vendor-advisory",
                  "x_refsource_SUSE",
               ],
               url: "http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c",
            },
         ],
      },
   },
   cveMetadata: {
      assignerOrgId: "53f830b8-0a3f-465b-8143-3b8a9948e749",
      assignerShortName: "redhat",
      cveId: "CVE-2016-9756",
      datePublished: "2016-12-28T07:42:00",
      dateReserved: "2016-12-01T00:00:00",
      dateUpdated: "2024-08-06T02:59:03.389Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2016-9756\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-12-28T07:59:00.477\",\"lastModified\":\"2025-04-12T10:46:40.837\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.\"},{\"lang\":\"es\",\"value\":\"arch/x86/kvm/emulate.c en el kernel de Linux en versiones anteriores a 4.8.12 no inicializa adecuadamente Code Segment (CS) en ciertos casos de error, lo que permite a usuarios locales obtener información sensible del kernel de memoria de pila a través de una aplicación manipulada.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.8.11\",\"matchCriteriaId\":\"00B2C5A0-53C6-4A5A-A79A-9A213FA01EE5\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/12/01/1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"http://www.securityfocus.com/bid/94615\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1400468\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/12/01/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"http://www.securityfocus.com/bid/94615\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1400468\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • 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.