Hi, > the attached patch fixes a flaw in the "parent process death signal" > when executing SUID binaries. An unprivileged user may send arbitrary > signal to a child process even if it is running with higher privileges. > > The idea to fix this issue is to reset pdeath_signal not only on fork, > but also on the execution of a SUID binary. > > Michael, if we fix it this way, then the prctl() manual page should > reflect that behavior.
the patch has been merged into 2.4 and 2.6, so the manual page needs an update at some point. > From comments it seems that we have to also reset pdeath_signal inside > LSM when it comes to capability-raised executes, but I must admit that I > got lost there. No further comments for this one? I am not familiar enough with it. Regards Marcel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
