CVE-2015-7550 (GCVE-0-2015-7550)

Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 07:51
VLAI
Summary
The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1036 records in the last 180 days details
References
URL Tags
http://www.securityfocus.com/bid/79903 vdb-entryx_refsource_BID
http://www.kernel.org/pub/linux/kernel/v4.x/Chang… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2911-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2890-3 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://bugzilla.redhat.com/show_bug.cgi?id=1291197 x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/b4a1b4f5… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2911-2 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2890-2 vendor-advisoryx_refsource_UBUNTU
https://security-tracker.debian.org/tracker/CVE-2… x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2890-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3434 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2888-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2016-01-22 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:51:28.463Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "79903",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/79903"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
          },
          {
            "name": "USN-2911-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2911-1"
          },
          {
            "name": "USN-2890-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2890-3"
          },
          {
            "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": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "name": "USN-2911-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2911-2"
          },
          {
            "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": "USN-2890-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2890-2"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "name": "USN-2890-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2890-1"
          },
          {
            "name": "DSA-3434",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3434"
          },
          {
            "name": "USN-2888-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2888-1"
          },
          {
            "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"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-01-22T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-03T18:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "79903",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/79903"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
        },
        {
          "name": "USN-2911-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2911-1"
        },
        {
          "name": "USN-2890-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2890-3"
        },
        {
          "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": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "name": "USN-2911-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2911-2"
        },
        {
          "name": "SUSE-SU-2016:2074",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"
        },
        {
          "name": "USN-2890-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2890-2"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "name": "USN-2890-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2890-1"
        },
        {
          "name": "DSA-3434",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3434"
        },
        {
          "name": "USN-2888-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2888-1"
        },
        {
          "name": "SUSE-SU-2016:0911",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2015-7550",
    "datePublished": "2016-02-08T02:00:00.000Z",
    "dateReserved": "2015-09-29T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:51:28.463Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2015-7550",
      "date": "2026-10-18",
      "epss": "0.00412",
      "percentile": "0.33937"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "35E3DC8E-8900-4874-A272-E3EC1174360B",
                  "versionEndIncluding": "4.3.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls."
        },
        {
          "lang": "es",
          "value": "La funci\u00f3n keyctl_read_key en security/keys/keyctl.c en el kernel de Linux en versiones anteriores a 4.3.4 no utiliza adecuadamente un sem\u00e1foro, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda del sistema) o posiblemente tiene otro impacto no especificado a trav\u00e9s de una aplicaci\u00f3n manipulada que aprovecha una condici\u00f3n de carrera entre llamadas keyctl_revoke y keyctl_read."
        }
      ],
      "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/476.html\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e",
      "id": "CVE-2015-7550",
      "lastModified": "2024-11-21T02:36:57.937",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "LOCAL",
              "authentication": "NONE",
              "availabilityImpact": "COMPLETE",
              "baseScore": 4.9,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
              "version": "2.0"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 6.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.0"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2016-02-08T03:59:02.010",
      "references": [
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "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/msg00045.html"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.debian.org/security/2016/dsa-3434"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.securityfocus.com/bid/79903"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2888-1"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2890-1"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2890-2"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2890-3"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2911-1"
        },
        {
          "source": "secalert@redhat.com",
          "url": "http://www.ubuntu.com/usn/USN-2911-2"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "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-3434"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securityfocus.com/bid/79903"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2888-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2890-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2890-2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2890-3"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2911-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-2911-2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
        }
      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-362"
            },
            {
              "lang": "en",
              "value": "NVD-CWE-Other"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "35E3DC8E-8900-4874-A272-E3EC1174360B",
                    "versionEndIncluding": "4.3.3",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n keyctl_read_key en security/keys/keyctl.c en el kernel de Linux en versiones anteriores a 4.3.4 no utiliza adecuadamente un sem\u00e1foro, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda del sistema) o posiblemente tiene otro impacto no especificado a trav\u00e9s de una aplicaci\u00f3n manipulada que aprovecha una condici\u00f3n de carrera entre llamadas keyctl_revoke y keyctl_read."
          }
        ],
        "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/476.html\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e",
        "id": "CVE-2015-7550",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 4.9,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-02-08T03:59:02.010",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "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/msg00045.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2016/dsa-3434"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/79903"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2888-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2890-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2890-2"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2890-3"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2911-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2911-2"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "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-3434"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/79903"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2888-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2890-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2890-2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2890-3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2911-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2911-2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security-tracker.debian.org/tracker/CVE-2015-7550"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-362"
              },
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:10:19+00:00",
      "cve": "CVE-2015-7550",
      "id": "CVE-2015-7550",
      "initial_release_date": "2015-12-10T00:00:00+00:00",
      "product_status:known_affected": "55",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: User triggerable crash from race between key read and rey revoke",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7550.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-17T02:29:18Z",
      "cve": "CVE-2015-7550",
      "id": "CVE-2015-7550",
      "initial_release_date": "2023-02-15T05:13:54Z",
      "product_status:known_affected": "0",
      "product_status:known_not_affected": "211",
      "product_status:recommended": "440",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-7550",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2015-7550.json",
      "version": "25"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.