CVE-2026-31521

In the Linux kernel, the following vulnerability has been resolved: module: Fix kernel panic when a symbol stshndx is out of bounds The module loader doesn't check for bounds of the ELF section index in simplifysymbols: for i = 1; i shsize / sizeofElfSym; i++ const char name = info-strtab +...

CVE-2026-31521

The CVE-2026-31521 issue is in the Linux kernel module loader’s simplify_symbols() where an out-of-bounds st_shndx (eg SHN_XINDEX) could cause a kernel panic. The patch adds validation of st_shndx against the valid range before using it, preventing the potential crash. Several OSV entries (Debian...