OpenBSD 8.0 errata 014 – kbind

openbsd 8.0 · errata 014

2026-11-14 · common

Fix a local root exploit through a reference count race in the vnode pager that can be triggered with kbind(2).

installera

# syspatch

binär patch finns för amd64, arm64, i386

källpatch

signify -Vep /etc/signify/openbsd-80-base.pub -x 014_kbind.patch.sig \
    -m - | (cd /usr/src && patch -p0)

And then rebuild and install a new kernel:
KK=`sysctl -n kern.osversion | cut -d# -f1`
cd /usr/src/sys/arch/`machine`/compile/$KK
make obj
make config
make
make install

länkar

014_kbind.patch.sig
errata80.html