CVE-2015-2686 (GCVE-0-2015-2686)

Vulnerability from cvelistv5 – Published: 2016-05-02 10:00 – Updated: 2024-08-06 05:24
VLAI
Summary
net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2015-03-23 00:00
Show details on NVD website
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            "source": "cve@mitre.org",
            "url": "https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://grsecurity.net/~spender/viro.txt"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://twitter.com/grsecurity/statuses/579050211605102592"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://twitter.com/grsecurity/statuses/579060953477701632"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://twitter.com/grsecurity/statuses/579075689439059968"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2015/03/23/14"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/73286"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1205242"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T12:05:34+00:00",
      "cve": "CVE-2015-2686",
      "id": "CVE-2015-2686",
      "initial_release_date": "2015-03-20T00:00:00+00:00",
      "product_status:known_not_affected": "55",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: sys_sendto/sys_recvfrom does not validate the user provided ubuf pointer",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-2686.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-09T03:13:40Z",
      "cve": "CVE-2015-2686",
      "id": "CVE-2015-2686",
      "initial_release_date": "2023-02-15T05:20:35Z",
      "product_status:known_not_affected": "22",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-2686",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-2686.json",
      "version": "6"
    }
  }
}



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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.



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.