CVE-2018-18559 (GCVE-0-2018-18559)

Vulnerability from cvelistv5 – Published: 2018-10-22 16:00 – Updated: 2024-08-05 11:16
VLAI
Summary
In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2019:0188 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0163 vendor-advisoryx_refsource_REDHAT
https://blogs.securiteam.com/index.php/archives/3731 x_refsource_MISC
https://access.redhat.com/errata/RHBA-2019:0327 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1170 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1190 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3967 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:4159 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0174 vendor-advisoryx_refsource_REDHAT
Date Public
2018-10-22 00:00
Show details on NVD website
To clipboard 

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  }
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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.

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  • 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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  • 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.


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