openbsd 8.0 · errata 001
In ppp(4), an off-by-one error could lead to an out-of-bounds write.
installera
# syspatch
källpatch
signify -Vep /etc/signify/openbsd-80-base.pub -x 001_ppp.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