PT-2026-59267

Summary The attribute filter in the Lupa library is intended to restrict access to sensitive Python attributes when exposing objects to Lua. However, the filter is not consistently applied when attributes are accessed through built-in functions like getattr and setattr. This allows an attacker to...

Lupa 安全漏洞

Lupa is a bridging library developed by Scoder’s individual developers, which embeds the Lua runtime into Python. Versions of Lupa 2.6 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the fact that the property filter was not consistently applied in built-in...

kernel: Permission bypass on overlayfs during copy_up

The ovlsetattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application...