CVE-2026-23141

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel's btrfs implementation related to handling inline extents during the send operation. Specifically, the range is hole in parent() function does not adequately check for inline extents before accessing the disk bytenr field of a file extent item. This can lead to an invalid memory access if the extent is inline and its data starts at the offset of the disk bytenr field, or if the inline data is less than 8 bytes. This issue can occur when accessing metadata from other items.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.