CVE-2023-5369
CVSS 3.1 Score 7.1 of 10 (high)
Details
Published Oct 4, 2023
Updated: Nov 24, 2023
CWE ID 273
Summary
CVE-2023-5369 is a vulnerability affecting the copy_file_range system call. Prior to a recent correction, this system call only checked for the CAP_READ and CAP_WRITE capabilities on the input and output file descriptors respectively. However, an offset is logically equivalent to seeking, and the system call should have required the CAP_SEEK capability as well. As a result, sandboxed processes with read or write but no seek capability on a file descriptor could arbitrarily read from or write to locations within the corresponding file.
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