EUVD-2026-55287

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

CVE-2026-68186

The CVE-2026-68186 issue affects the Linux kernel’s binfmt_misc handling. load_misc_binary() sets bprm->have_execfd when it encounters the O/C flag, before the interpreter is opened, which could cause a NULL dereference in begin_new_exec() if an interpreter open fails and a later format is cho...