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| author | Li Qiang <liq3ea@163.com> | 2021-05-15 20:03:56 -0700 |
|---|---|---|
| committer | SoonKyu Park <sk7.park@samsung.com> | 2021-11-23 13:46:16 +0900 |
| commit | 3401f5c0a226b9b08994b953aae65e04534f192c (patch) | |
| tree | ec4311b3ac964deea9626429d998290a374c0aa6 | |
| parent | e61bb35fa3ee12f240cd7c434f28647e83bbfb5e (diff) | |
| download | qemu-3401f5c0a226b9b08994b953aae65e04534f192c.tar.gz qemu-3401f5c0a226b9b08994b953aae65e04534f192c.tar.bz2 qemu-3401f5c0a226b9b08994b953aae65e04534f192c.zip | |
vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545)
Git-commit: 121841b25d72d13f8cad554363138c360f1250ea
References: CVE-2021-3545 bsc#1185990
Otherwise some of the 'resp' will be leaked to guest.
Fixes: CVE-2021-3545
Reported-by: Li Qiang <liq3ea@163.com>
virtio-gpu fix: 42a8dadc74 ("virtio-gpu: fix information leak
in getting capset info dispatch")
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210516030403.107723-2-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
| -rw-r--r-- | contrib/vhost-user-gpu/virgl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c index b0bc22c3c..a26fb9632 100644 --- a/contrib/vhost-user-gpu/virgl.c +++ b/contrib/vhost-user-gpu/virgl.c @@ -125,6 +125,7 @@ virgl_cmd_get_capset_info(VuGpu *g, VUGPU_FILL_CMD(info); + memset(&resp, 0, sizeof(resp)); if (info.capset_index == 0) { resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL; virgl_renderer_get_cap_set(resp.capset_id, |