CVE-2018-19854 (GCVE-0-2018-19854)

Vulnerability from cvelistv5 – Published: 2018-12-04 16:00 – Updated: 2024-08-05 11:44
VLAI?
Summary
An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://github.com/torvalds/linux/commit/f43f3995… x_refsource_MISC
https://usn.ubuntu.com/3872-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3901-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3878-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3878-2/ vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://kernel.org/pub/linux/kernel/v4.x/ChangeLo… x_refsource_MISC
https://usn.ubuntu.com/3901-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:3309 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3517 vendor-advisoryx_refsource_REDHAT
Date Public ?
2018-12-04 00:00
Show details on NVD website
To clipboard 

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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.