CVE-2018-16862 (GCVE-0-2018-16862)

Vulnerability from cvelistv5 – Published: 2018-11-26 19:00 – Updated: 2024-08-05 10:32
VLAI?
Summary
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
CWE
Assigner
References
http://www.securityfocus.com/bid/106009 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3879-2/ vendor-advisoryx_refsource_UBUNTU
https://seclists.org/oss-sec/2018/q4/169 mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3879-1/ vendor-advisoryx_refsource_UBUNTU
https://lore.kernel.org/patchwork/patch/1011367/ x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4094-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTU
Impacted products
Vendor Product Version
[UNKNOWN] kernel: Affected: n/a
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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.