On January 21, 2019 8:25:41 AM PST, Ed Maste <ema...@freebsd.org> wrote: >Author: emaste >Date: Mon Jan 21 16:25:40 2019 >New Revision: 343262 >URL: https://svnweb.freebsd.org/changeset/base/343262 > >Log: > linuxulator: fix stack memory disclosure in linux_sigaltstack > > admbugs: 765 > Reported by: Vlad Tsyrklevich <v...@tsyrklevich.net> > Reviewed by: andrew > MFC after: 1 day > Security: Kernel memory disclosure > Sponsored by: The FreeBSD Foundation > >Modified: > head/sys/amd64/linux/linux_machdep.c > >Modified: head/sys/amd64/linux/linux_machdep.c >============================================================================== >--- head/sys/amd64/linux/linux_machdep.c Mon Jan 21 16:21:03 >2019 (r343261) >+++ head/sys/amd64/linux/linux_machdep.c Mon Jan 21 16:25:40 >2019 (r343262) >@@ -201,6 +201,7 @@ linux_sigaltstack(struct thread *td, struct >linux_siga > l_stack_t lss; > int error; > >+ memset(&lss, 0, sizeof(lss)); > LINUX_CTR2(sigaltstack, "%p, %p", uap->uss, uap->uoss); > > if (uap->uss != NULL) {
Do we have a CVE for this? -- Pardon the typos and autocorrect, small keyboard in use. Cheers, Cy Schubert <cy.schub...@cschubert.com> FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
