diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2021-3544_5.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2021-3544_5.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3544_5.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3544_5.patch new file mode 100644 index 0000000000..e592ce50e2 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3544_5.patch @@ -0,0 +1,47 @@ +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] 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> + +Upstream-Status: Backport +CVE: CVE-2021-3544 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + contrib/vhost-user-gpu/virgl.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +Index: qemu-4.2.0/contrib/vhost-user-gpu/virgl.c +=================================================================== +--- qemu-4.2.0.orig/contrib/vhost-user-gpu/virgl.c ++++ qemu-4.2.0/contrib/vhost-user-gpu/virgl.c +@@ -283,8 +283,11 @@ 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 |