CVE-2020-8648 (GCVE-0-2020-8648)

Vulnerability from cvelistv5 – Published: 2020-02-06 00:06 – Updated: 2024-08-04 10:03
VLAI
Summary
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://bugzilla.kernel.org/show_bug.cgi?id=206361 x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4344-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4345-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4342-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4346-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4698 vendor-advisoryx_refsource_DEBIAN
https://security.netapp.com/advisory/ntap-2020092… x_refsource_CONFIRM
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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.

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.