Date: Wed, 13 May 2026 14:19:35 +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: 815eb5a26eb4 - stable/13 - compat/linux: Avoid waitid() kernel stack disclosure Message-ID: <6a048877.24fd1.706d7a7b@gitrepo.freebsd.org>
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The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=815eb5a26eb45418bfd1ae564c532cbd37599b02 commit 815eb5a26eb45418bfd1ae564c532cbd37599b02 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-03-10 13:53:46 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-05-13 14:06:05 +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) (cherry picked from commit 9f8db9cc67fb86eeb2b645ce7f8aa748e99241a9) (cherry picked from commit a347e6e20e75ad6224afefcf650ef738c3de094d) --- 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 fa6b7eff601a..3895c6da057c 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -756,6 +756,7 @@ 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
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