Date: Fri, 20 Mar 2026 19:35:29 +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: a347e6e20e75 - stable/14 - compat/linux: Avoid waitid() kernel stack disclosure Message-ID: <69bda181.43252.108fdfa6@gitrepo.freebsd.org>
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The branch stable/14 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=a347e6e20e75ad6224afefcf650ef738c3de094d commit a347e6e20e75ad6224afefcf650ef738c3de094d Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-03-10 13:53:46 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-03-20 13:37:14 +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) --- 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 2ae10a487813..00ab48e8781b 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -748,6 +748,7 @@ 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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