Date: Tue, 31 May 2016 16:55:50 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r301052 - in releng/10.3: . sys/compat/linux sys/conf sys/kern Message-ID: <201605311655.u4VGtoh4004557@repo.freebsd.org>
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Author: glebius Date: Tue May 31 16:55:50 2016 New Revision: 301052 URL: https://svnweb.freebsd.org/changeset/base/301052 Log: Fix kernel stack disclosure in Linux compatibility layer. [SA-16:20] Fix kernel stack disclosure in 4.3BSD compatibility layer. [SA-16:21] Security: SA-16:20 Security: SA-16:21 Approved by: so Modified: releng/10.3/UPDATING releng/10.3/sys/compat/linux/linux_ioctl.c releng/10.3/sys/compat/linux/linux_misc.c releng/10.3/sys/conf/newvers.sh releng/10.3/sys/kern/vfs_syscalls.c Modified: releng/10.3/UPDATING ============================================================================== --- releng/10.3/UPDATING Tue May 31 16:55:45 2016 (r301051) +++ releng/10.3/UPDATING Tue May 31 16:55:50 2016 (r301052) @@ -16,6 +16,15 @@ from older versions of FreeBSD, try WITH stable/10, and then rebuild without this option. The bootstrap process from older version of current is a bit fragile. +20160531 p4 FreeBSD-SA-16:20.linux + FreeBSD-SA-16:21.43bsd + FreeBSD-SA-16:22.libarchive + + Fix kernel stack disclosure in Linux compatibility layer. [SA-16:20] + Fix kernel stack disclosure in 4.3BSD compatibility layer. [SA-16:21] + Fix directory traversal in cpio(1). [SA-16:22] + + 20160517 p3 FreeBSD-SA-16:18.atkbd FreeBSD-SA-16:19.sendmsg Modified: releng/10.3/sys/compat/linux/linux_ioctl.c ============================================================================== --- releng/10.3/sys/compat/linux/linux_ioctl.c Tue May 31 16:55:45 2016 (r301051) +++ releng/10.3/sys/compat/linux/linux_ioctl.c Tue May 31 16:55:50 2016 (r301052) @@ -915,6 +915,8 @@ linux_ioctl_termio(struct thread *td, st case LINUX_TIOCGSERIAL: { struct linux_serial_struct lss; + + bzero(&lss, sizeof(lss)); lss.type = LINUX_PORT_16550A; lss.flags = 0; lss.close_delay = 0; Modified: releng/10.3/sys/compat/linux/linux_misc.c ============================================================================== --- releng/10.3/sys/compat/linux/linux_misc.c Tue May 31 16:55:45 2016 (r301051) +++ releng/10.3/sys/compat/linux/linux_misc.c Tue May 31 16:55:50 2016 (r301052) @@ -150,6 +150,7 @@ linux_sysinfo(struct thread *td, struct int i, j; struct timespec ts; + bzero(&sysinfo, sizeof(sysinfo)); getnanouptime(&ts); if (ts.tv_nsec != 0) ts.tv_sec++; Modified: releng/10.3/sys/conf/newvers.sh ============================================================================== --- releng/10.3/sys/conf/newvers.sh Tue May 31 16:55:45 2016 (r301051) +++ releng/10.3/sys/conf/newvers.sh Tue May 31 16:55:50 2016 (r301052) @@ -32,7 +32,7 @@ TYPE="FreeBSD" REVISION="10.3" -BRANCH="RELEASE-p3" +BRANCH="RELEASE-p4" if [ "X${BRANCH_OVERRIDE}" != "X" ]; then BRANCH=${BRANCH_OVERRIDE} fi Modified: releng/10.3/sys/kern/vfs_syscalls.c ============================================================================== --- releng/10.3/sys/kern/vfs_syscalls.c Tue May 31 16:55:45 2016 (r301051) +++ releng/10.3/sys/kern/vfs_syscalls.c Tue May 31 16:55:50 2016 (r301052) @@ -2197,6 +2197,7 @@ cvtstat(st, ost) struct ostat *ost; { + bzero(ost, sizeof(*ost)); ost->st_dev = st->st_dev; ost->st_ino = st->st_ino; ost->st_mode = st->st_mode;
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