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Debian: CVE-2023-49298: zfs-linux -- security update

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Debian: CVE-2023-49298: zfs-linux -- security update

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:C/A:N)
Published
11/24/2023
Created
03/20/2024
Added
03/20/2024
Modified
01/28/2025

Description

OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but can be security related in realistic situations. A possible example is cp, from a recent GNU Core Utilities (coreutils) version, when attempting to preserve a rule set for denying unauthorized access. (One might use cp when configuring access control, such as with the /etc/hosts.deny file specified in the IBM Support reference.) NOTE: this issue occurs less often in version 2.2.1, and in versions before 2.1.4, because of the default configuration in those versions.

Solution(s)

  • debian-upgrade-zfs-linux

References

  • https://attackerkb.com/topics/cve-2023-49298
  • CVE - 2023-49298
  • DLA-3766-1
  • 查看数 704
  • 已创建
  • 最后回复

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