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CVE-2020-16119 (GCVE-0-2020-16119)

Vulnerability from cvelistv5 – Published: 2021-01-14 01:10 – Updated: 2024-09-16 18:19
VLAI
Title
DCCP CCID structure use-after-free
Summary
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
Assigner
References
URL Tags
https://launchpad.net/bugs/1883840 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4576-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4577-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4578-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4579-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4580-1 vendor-advisoryx_refsource_UBUNTU
https://lore.kernel.org/netdev/20201013171849.236… x_refsource_CONFIRM
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… vendor-advisoryx_refsource_UBUNTU
https://security.netapp.com/advisory/ntap-2021030… x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4978 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
Canonical Linux kernel Affected: 5.4 kernel , < 5.4.0-51.56 (custom)
Affected: 5.3 kernel , < 5.3.0-68.63 (custom)
Affected: 4.15 kernel , < 4.15.0-121.123 (custom)
Affected: 4.4 kernel , < 4.4.0-193.224 (custom)
Affected: 3.13 kernel , < 3.13.0.182.191 (custom)
Affected: 3.2 kernel , < 3.2.0-149.196 (custom)
guessed Create a notification for this product.
Date Public
2020-10-13 00:00
Credits
Hador Manor
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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.