diff options
Diffstat (limited to 'poky/meta/recipes-devtools/qemu')
4 files changed, 105 insertions, 2 deletions
diff --git a/poky/meta/recipes-devtools/qemu/qemu-system-native_4.2.0.bb b/poky/meta/recipes-devtools/qemu/qemu-system-native_4.2.0.bb index d83ee59375..7394385d30 100644 --- a/poky/meta/recipes-devtools/qemu/qemu-system-native_4.2.0.bb +++ b/poky/meta/recipes-devtools/qemu/qemu-system-native_4.2.0.bb @@ -9,7 +9,9 @@ DEPENDS = "glib-2.0-native zlib-native pixman-native qemu-native bison-native" EXTRA_OECONF_append = " --target-list=${@get_qemu_system_target_list(d)}" -PACKAGECONFIG ??= "fdt alsa kvm" +PACKAGECONFIG ??= "fdt alsa kvm \ + ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' ,d)} \ +" # Handle distros such as CentOS 5 32-bit that do not have kvm support PACKAGECONFIG_remove = "${@'kvm' if not os.path.exists('/usr/include/linux/kvm.h') else ''}" diff --git a/poky/meta/recipes-devtools/qemu/qemu.inc b/poky/meta/recipes-devtools/qemu/qemu.inc index 7a1ccf2115..126e7d442c 100644 --- a/poky/meta/recipes-devtools/qemu/qemu.inc +++ b/poky/meta/recipes-devtools/qemu/qemu.inc @@ -37,6 +37,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2020-7211.patch \ file://0001-qemu-Do-not-include-file-if-not-exists.patch \ file://CVE-2020-11102.patch \ + file://CVE-2020-11869.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar" diff --git a/poky/meta/recipes-devtools/qemu/qemu/CVE-2020-11869.patch b/poky/meta/recipes-devtools/qemu/qemu/CVE-2020-11869.patch new file mode 100644 index 0000000000..ca7ffed934 --- /dev/null +++ b/poky/meta/recipes-devtools/qemu/qemu/CVE-2020-11869.patch @@ -0,0 +1,97 @@ +From ac2071c3791b67fc7af78b8ceb320c01ca1b5df7 Mon Sep 17 00:00:00 2001 +From: BALATON Zoltan <balaton@eik.bme.hu> +Date: Mon, 6 Apr 2020 22:34:26 +0200 +Subject: [PATCH] ati-vga: Fix checks in ati_2d_blt() to avoid crash + +In some corner cases (that never happen during normal operation but a +malicious guest could program wrong values) pixman functions were +called with parameters that result in a crash. Fix this and add more +checks to disallow such cases. + +Reported-by: Ziming Zhang <ezrakiez@gmail.com> +Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> +Message-id: 20200406204029.19559747D5D@zero.eik.bme.hu +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> + +Upstream-Status: Backport [https://git.qemu.org/?p=qemu.git;a=commit;h=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7] +CVE: CVE-2020-11869 +Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com> +--- + hw/display/ati_2d.c | 37 ++++++++++++++++++++++++++----------- + 1 file changed, 26 insertions(+), 11 deletions(-) + +diff --git a/hw/display/ati_2d.c b/hw/display/ati_2d.c +index 42e8231..23a8ae0 100644 +--- a/hw/display/ati_2d.c ++++ b/hw/display/ati_2d.c +@@ -53,12 +53,20 @@ void ati_2d_blt(ATIVGAState *s) + s->vga.vbe_start_addr, surface_data(ds), surface_stride(ds), + surface_bits_per_pixel(ds), + (s->regs.dp_mix & GMC_ROP3_MASK) >> 16); +- int dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? +- s->regs.dst_x : s->regs.dst_x + 1 - s->regs.dst_width); +- int dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? +- s->regs.dst_y : s->regs.dst_y + 1 - s->regs.dst_height); ++ unsigned dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? ++ s->regs.dst_x : s->regs.dst_x + 1 - s->regs.dst_width); ++ unsigned dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? ++ s->regs.dst_y : s->regs.dst_y + 1 - s->regs.dst_height); + int bpp = ati_bpp_from_datatype(s); ++ if (!bpp) { ++ qemu_log_mask(LOG_GUEST_ERROR, "Invalid bpp\n"); ++ return; ++ } + int dst_stride = DEFAULT_CNTL ? s->regs.dst_pitch : s->regs.default_pitch; ++ if (!dst_stride) { ++ qemu_log_mask(LOG_GUEST_ERROR, "Zero dest pitch\n"); ++ return; ++ } + uint8_t *dst_bits = s->vga.vram_ptr + (DEFAULT_CNTL ? + s->regs.dst_offset : s->regs.default_offset); + +@@ -82,12 +90,16 @@ void ati_2d_blt(ATIVGAState *s) + switch (s->regs.dp_mix & GMC_ROP3_MASK) { + case ROP3_SRCCOPY: + { +- int src_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? +- s->regs.src_x : s->regs.src_x + 1 - s->regs.dst_width); +- int src_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? +- s->regs.src_y : s->regs.src_y + 1 - s->regs.dst_height); ++ unsigned src_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? ++ s->regs.src_x : s->regs.src_x + 1 - s->regs.dst_width); ++ unsigned src_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? ++ s->regs.src_y : s->regs.src_y + 1 - s->regs.dst_height); + int src_stride = DEFAULT_CNTL ? + s->regs.src_pitch : s->regs.default_pitch; ++ if (!src_stride) { ++ qemu_log_mask(LOG_GUEST_ERROR, "Zero source pitch\n"); ++ return; ++ } + uint8_t *src_bits = s->vga.vram_ptr + (DEFAULT_CNTL ? + s->regs.src_offset : s->regs.default_offset); + +@@ -137,8 +149,10 @@ void ati_2d_blt(ATIVGAState *s) + dst_y * surface_stride(ds), + s->regs.dst_height * surface_stride(ds)); + } +- s->regs.dst_x += s->regs.dst_width; +- s->regs.dst_y += s->regs.dst_height; ++ s->regs.dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? ++ dst_x + s->regs.dst_width : dst_x); ++ s->regs.dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? ++ dst_y + s->regs.dst_height : dst_y); + break; + } + case ROP3_PATCOPY: +@@ -179,7 +193,8 @@ void ati_2d_blt(ATIVGAState *s) + dst_y * surface_stride(ds), + s->regs.dst_height * surface_stride(ds)); + } +- s->regs.dst_y += s->regs.dst_height; ++ s->regs.dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? ++ dst_y + s->regs.dst_height : dst_y); + break; + } + default: +-- +1.8.3.1 diff --git a/poky/meta/recipes-devtools/qemu/qemu_4.2.0.bb b/poky/meta/recipes-devtools/qemu/qemu_4.2.0.bb index f0c1daabe1..a4018cc448 100644 --- a/poky/meta/recipes-devtools/qemu/qemu_4.2.0.bb +++ b/poky/meta/recipes-devtools/qemu/qemu_4.2.0.bb @@ -21,5 +21,8 @@ do_install_append_class-nativesdk() { PACKAGECONFIG ??= " \ fdt sdl kvm \ ${@bb.utils.filter('DISTRO_FEATURES', 'alsa xen', d)} \ + ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' ,d)} \ +" +PACKAGECONFIG_class-nativesdk ??= "fdt sdl kvm \ + ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' ,d)} \ " -PACKAGECONFIG_class-nativesdk ??= "fdt sdl kvm" |