CVE-2017-18075 (GCVE-0-2017-18075)

Vulnerability from cvelistv5 – Published: 2018-01-24 10:00 – Updated: 2024-08-05 21:13
VLAI
Summary
crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.securityfocus.com/bid/102813 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
https://www.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
https://github.com/torvalds/linux/commit/d76c6810… x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
Date Public
2018-01-24 00:00
Show details on NVD website
To clipboard 

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      "cve": "CVE-2017-18075",
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      "initial_release_date": "2017-12-20T00:00:00+00:00",
      "product_status:fixed": "26",
      "product_status:known_not_affected": "87",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Mishandled freeing of instances in pcrypt.c can allow a local user to cause a denial of service",
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}



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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.
  • 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.