diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch')
-rw-r--r-- | meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch b/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch new file mode 100644 index 0000000000..5efb87ca33 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch @@ -0,0 +1,49 @@ +CVE: CVE-2021-3544 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@arm.com> + +From 63736af5a6571d9def93769431e0d7e38c6677bf Mon Sep 17 00:00:00 2001 +From: Li Qiang <liq3ea@163.com> +Date: Sat, 15 May 2021 20:04:01 -0700 +Subject: [PATCH 6/7] vhost-user-gpu: fix memory leak in + 'virgl_resource_attach_backing' (CVE-2021-3544) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +If 'virgl_renderer_resource_attach_iov' failed, the 'res_iovs' will +be leaked. + +Fixes: CVE-2021-3544 +Reported-by: Li Qiang <liq3ea@163.com> +virtio-gpu fix: 33243031da ("virtio-gpu-3d: fix memory leak +in resource attach backing") + +Signed-off-by: Li Qiang <liq3ea@163.com> +Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> +Message-Id: <20210516030403.107723-7-liq3ea@163.com> +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> +--- + contrib/vhost-user-gpu/virgl.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c +index c669d73a1d..a16a311d80 100644 +--- a/contrib/vhost-user-gpu/virgl.c ++++ b/contrib/vhost-user-gpu/virgl.c +@@ -287,8 +287,11 @@ virgl_resource_attach_backing(VuGpu *g, + return; + } + +- virgl_renderer_resource_attach_iov(att_rb.resource_id, ++ ret = virgl_renderer_resource_attach_iov(att_rb.resource_id, + res_iovs, att_rb.nr_entries); ++ if (ret != 0) { ++ g_free(res_iovs); ++ } + } + + static void +-- +2.25.1 + |