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 @@ | |||
1 | From 63736af5a6571d9def93769431e0d7e38c6677bf Mon Sep 17 00:00:00 2001 | ||
2 | From: Li Qiang <liq3ea@163.com> | ||
3 | Date: Sat, 15 May 2021 20:04:01 -0700 | ||
4 | Subject: [PATCH] vhost-user-gpu: fix memory leak in | ||
5 | 'virgl_resource_attach_backing' (CVE-2021-3544) | ||
6 | MIME-Version: 1.0 | ||
7 | Content-Type: text/plain; charset=UTF-8 | ||
8 | Content-Transfer-Encoding: 8bit | ||
9 | |||
10 | If 'virgl_renderer_resource_attach_iov' failed, the 'res_iovs' will | ||
11 | be leaked. | ||
12 | |||
13 | Fixes: CVE-2021-3544 | ||
14 | Reported-by: Li Qiang <liq3ea@163.com> | ||
15 | virtio-gpu fix: 33243031da ("virtio-gpu-3d: fix memory leak | ||
16 | in resource attach backing") | ||
17 | |||
18 | Signed-off-by: Li Qiang <liq3ea@163.com> | ||
19 | Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> | ||
20 | Message-Id: <20210516030403.107723-7-liq3ea@163.com> | ||
21 | Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> | ||
22 | |||
23 | Upstream-Status: Backport | ||
24 | CVE: CVE-2021-3544 | ||
25 | Signed-off-by: Armin Kuster <akuster@mvista.com> | ||
26 | |||
27 | --- | ||
28 | contrib/vhost-user-gpu/virgl.c | 5 ++++- | ||
29 | 1 file changed, 4 insertions(+), 1 deletion(-) | ||
30 | |||
31 | Index: qemu-4.2.0/contrib/vhost-user-gpu/virgl.c | ||
32 | =================================================================== | ||
33 | --- qemu-4.2.0.orig/contrib/vhost-user-gpu/virgl.c | ||
34 | +++ qemu-4.2.0/contrib/vhost-user-gpu/virgl.c | ||
35 | @@ -283,8 +283,11 @@ virgl_resource_attach_backing(VuGpu *g, | ||
36 | return; | ||
37 | } | ||
38 | |||
39 | - virgl_renderer_resource_attach_iov(att_rb.resource_id, | ||
40 | + ret = virgl_renderer_resource_attach_iov(att_rb.resource_id, | ||
41 | res_iovs, att_rb.nr_entries); | ||
42 | + if (ret != 0) { | ||
43 | + g_free(res_iovs); | ||
44 | + } | ||
45 | } | ||
46 | |||
47 | static void | ||