CVE-2018-7757 (GCVE-0-2018-7757)

Vulnerability from cvelistv5 – Published: 2018-03-08 14:00 – Updated: 2024-08-05 06:37
VLAI?
Summary
Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4187 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3654-1/ vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/4a491b1a… x_refsource_MISC
https://usn.ubuntu.com/3697-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4188 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3697-2/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/103348 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3654-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3698-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3656-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://usn.ubuntu.com/3698-2/ vendor-advisoryx_refsource_UBUNTU
Date Public ?
2018-03-08 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-772\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-7757\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-03-08T14:29:00.567\",\"lastModified\":\"2024-11-21T04:12:40.657\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.\"},{\"lang\":\"es\",\"value\":\"Filtrado de memoria en la funci\u00f3n sas_smp_get_phy_events en drivers/scsi/libsas/sas_expander.c en el kernel de Linux, hasta la versi\u00f3n 4.15.7, permite que usuarios locales provoquen una denegaci\u00f3n de servicio (consumo de memoria) mediante numerosos accesos de lectura a archivos en el directorio /sys/class/sas_phy, tal y como demuestra el archivo 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  }
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.