CVE-2026-53015

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

Description An issue exists in the erofs component where the lcn variable was typed as unsigned long or unsigned int. On 32-bit platforms, this variable is only 32 bits wide, leading to the truncation of the operation (lcn << lclusterbits) at 4 GiB.

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