CVE-2019-5489 (GCVE-0-2019-5489)

Vulnerability from cvelistv5 – Published: 2019-01-07 18:00 – Updated: 2024-08-04 19:54
VLAI
Summary
The mincore() implementation in mm/mincore.c in the Linux kernel through 4.19.13 allowed local attackers to observe page cache access patterns of other processes on the same system, potentially allowing sniffing of secret information. (Fixing this affects the output of the fincore program.) Limited remote exploitation may be possible, as demonstrated by latency differences in accessing public files from an Apache HTTP Server.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2263 records in the last 180 days details
References
URL Tags
http://www.securityfocus.com/bid/106478 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2019/dsa-4465 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://seclists.org/bugtraq/2019/Jun/26 mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2019:2043 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2029 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2473 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2808 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2837 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2809 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3309 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3517 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3967 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:4058 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:4057 vendor-advisoryx_refsource_REDHAT
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https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
https://www.theregister.co.uk/2019/01/05/boffins_… x_refsource_MISC
https://bugzilla.suse.com/show_bug.cgi?id=1120843 x_refsource_MISC
https://github.com/torvalds/linux/commit/574823bf… x_refsource_MISC
https://arxiv.org/abs/1901.01161 x_refsource_MISC
https://security.netapp.com/advisory/ntap-2019030… x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
http://www.huawei.com/en/psirt/security-advisorie… x_refsource_CONFIRM
Date Public
2019-01-07 00:00
Show details on NVD website
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                    "criteria": "cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E902EEC6-9A41-4FBC-8D81-891DF846A5CB",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The mincore() implementation in mm/mincore.c in the Linux kernel through 4.19.13 allowed local attackers to observe page cache access patterns of other processes on the same system, potentially allowing sniffing of secret information. (Fixing this affects the output of the fincore program.) Limited remote exploitation may be possible, as demonstrated by latency differences in accessing public files from an Apache HTTP Server."
          },
          {
            "lang": "es",
            "value": "La implementaci\u00f3n mincore() en mm/mincore.c en el kernel de Linux hasta la versi\u00f3n 4.19.13 permit\u00eda a los atacantes observar patrones de acceso a las p\u00e1ginas de cach\u00e9 de otros procesos en el mismo sistema, permitiendo el esnifado de informaci\u00f3n secreta. (Su arreglo afecta a la salida del programa fincore.)  Puede ser posible una explotaci\u00f3n remota limitada, tal y como queda demostrado con las diferencias en latencia a la hora de acceder a archivos p\u00fablicos desde un servidor Apache HHTP."
          }
        ],
        "id": "CVE-2019-5489",
        "lastModified": "2024-11-21T04:45:02.283",
        "metrics": {
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            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 2.1,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
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              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-01-07T17:29:00.470",
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            "tags": [
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            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e"
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        "sourceIdentifier": "cve@mitre.org",
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    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T12:05:08+00:00",
      "cve": "CVE-2019-5489",
      "id": "CVE-2019-5489",
      "initial_release_date": "2019-01-06T00:00:00+00:00",
      "product_status:fixed": "1198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Kernel: page cache side channel attacks",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-5489.json",
      "version": "3"
    },
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      "current_release_date": "2026-10-24T23:53:09Z",
      "cve": "CVE-2019-5489",
      "id": "CVE-2019-5489",
      "initial_release_date": "2023-02-15T04:17:15Z",
      "product_status:known_affected": "92",
      "product_status:known_not_affected": "84",
      "product_status:recommended": "887",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-5489",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2019-5489.json",
      "version": "24"
    }
  }
}



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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

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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.
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Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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