EUVD-2026-38897

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent uninitialized lcn caused by zero len syzbot reported a uninit-value in ntfsiomapbegin 1. Since runs was not touched yet, runlookupentry immediately fails and returns false, which makes the value of "len" 0...

EUVD-2026-38883

In the Linux kernel, the following vulnerability has been resolved: erofs: unify lcn as u64 for 32-bit platforms As sashiko reported 1, lcn was typed as unsigned long or unsigned int sometimes, which is only 32 bits wide on 32-bit platforms, which causes lcn lclusterbits to be truncated at 4 GiB...

CVE-2026-46062 ntfs3: fix integer overflow in run_unpack() volume boundary check

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix integer overflow in rununpack volume boundary check The volume boundary check lcn + len sbi-used.bitmap.nbits uses raw addition which can wrap around for large lcn and len values, bypassing the validation. Use...