CVE-2023-49298

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.

Weakness classification

• nvd@nist.gov: CWE-639
• 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-639

Primary references

• cve@mitre.org — Issue Tracking, Patch
• cve@mitre.org
• cve@mitre.org — Exploit, Issue Tracking, Patch, Vendor Advisory
• cve@mitre.org — Exploit, Patch, Vendor Advisory
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org — Patch, Third Party Advisory
• cve@mitre.org
• cve@mitre.org — Third Party Advisory
• cve@mitre.org
• af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch