Date: Fri, 20 Mar 2026 13:36:45 +0000 From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 9f8db9cc67fb - stable/15 - compat/linux: Avoid waitid() kernel stack disclosure Message-ID: <69bd4d6d.3ccd8.7db92bd3@gitrepo.freebsd.org>
index | next in thread | raw e-mail
The branch stable/15 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=9f8db9cc67fb86eeb2b645ce7f8aa748e99241a9 commit 9f8db9cc67fb86eeb2b645ce7f8aa748e99241a9 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-03-10 13:53:46 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-03-20 13:36:36 +0000 compat/linux: Avoid waitid() kernel stack disclosure Reported by: Adam Crosser, Praetorian Reviewed by: philip Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D55812 (cherry picked from commit 9a9f93bcf1aa0059d759b2f3ea6faeb2760a11bd) --- sys/compat/linux/linux_misc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index 69fb9935a9ae..937b010c8435 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -750,6 +750,7 @@ linux_common_wait(struct thread *td, idtype_t idtype, int id, int *statusp, error = linux_copyout_rusage(&wru.wru_self, rup); if (error == 0 && infop != NULL && td->td_retval[0] != 0) { sig = bsd_to_linux_signal(siginfo.si_signo); + memset(&lsi, 0, sizeof(lsi)); siginfo_to_lsiginfo(&siginfo, &lsi, sig); error = copyout(&lsi, infop, sizeof(lsi)); }home | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?69bd4d6d.3ccd8.7db92bd3>