diff options
Diffstat (limited to 'poky/meta/recipes-devtools/qemu/qemu/0007-vhost-user-gpu-fix-OOB-write-in-virgl_cmd_get_capset.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/qemu/qemu/0007-vhost-user-gpu-fix-OOB-write-in-virgl_cmd_get_capset.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/poky/meta/recipes-devtools/qemu/qemu/0007-vhost-user-gpu-fix-OOB-write-in-virgl_cmd_get_capset.patch b/poky/meta/recipes-devtools/qemu/qemu/0007-vhost-user-gpu-fix-OOB-write-in-virgl_cmd_get_capset.patch deleted file mode 100644 index 33e6a66193..0000000000 --- a/poky/meta/recipes-devtools/qemu/qemu/0007-vhost-user-gpu-fix-OOB-write-in-virgl_cmd_get_capset.patch +++ /dev/null @@ -1,49 +0,0 @@ -CVE: CVE-2021-3546 -Upstream-Status: Backport -Signed-off-by: Ross Burton <ross.burton@arm.com> - -From 9f22893adcb02580aee5968f32baa2cd109b3ec2 Mon Sep 17 00:00:00 2001 -From: Li Qiang <liq3ea@163.com> -Date: Sat, 15 May 2021 20:04:02 -0700 -Subject: [PATCH 7/7] vhost-user-gpu: fix OOB write in 'virgl_cmd_get_capset' - (CVE-2021-3546) -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -If 'virgl_cmd_get_capset' set 'max_size' to 0, -the 'virgl_renderer_fill_caps' will write the data after the 'resp'. -This patch avoid this by checking the returned 'max_size'. - -virtio-gpu fix: abd7f08b23 ("display: virtio-gpu-3d: check -virgl capabilities max_size") - -Fixes: CVE-2021-3546 -Reported-by: Li Qiang <liq3ea@163.com> -Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org> -Signed-off-by: Li Qiang <liq3ea@163.com> -Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> -Message-Id: <20210516030403.107723-8-liq3ea@163.com> -Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> ---- - contrib/vhost-user-gpu/virgl.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c -index a16a311d80..7172104b19 100644 ---- a/contrib/vhost-user-gpu/virgl.c -+++ b/contrib/vhost-user-gpu/virgl.c -@@ -177,6 +177,10 @@ virgl_cmd_get_capset(VuGpu *g, - - virgl_renderer_get_cap_set(gc.capset_id, &max_ver, - &max_size); -+ if (!max_size) { -+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; -+ return; -+ } - resp = g_malloc0(sizeof(*resp) + max_size); - - resp->hdr.type = VIRTIO_GPU_RESP_OK_CAPSET; --- -2.25.1 - |