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author | jmbills <jason.m.bills@intel.com> | 2021-08-03 01:45:08 +0300 |
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committer | GitHub <noreply@github.com> | 2021-08-03 01:45:08 +0300 |
commit | 10ad77d5bc86709d8ff7f95e7040e39f1c153903 (patch) | |
tree | 307cedb87f4c0a329740c55ac364ed489d1d8fc2 /poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch | |
parent | c6b1c6ba7a01b7987d65d61c262c44c320193108 (diff) | |
parent | 67327ddc580cb9a85219a534844832a1682780d4 (diff) | |
download | openbmc-10ad77d5bc86709d8ff7f95e7040e39f1c153903.tar.xz |
Update
Diffstat (limited to 'poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch')
-rw-r--r-- | poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch b/poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch new file mode 100644 index 000000000..171848640 --- /dev/null +++ b/poky/meta/recipes-devtools/qemu/qemu/0003-vhost-user-gpu-fix-memory-leak-in-vg_resource_attach.patch @@ -0,0 +1,48 @@ +CVE: CVE-2021-3544 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@arm.com> + +From b9f79858a614d95f5de875d0ca31096eaab72c3b Mon Sep 17 00:00:00 2001 +From: Li Qiang <liq3ea@163.com> +Date: Sat, 15 May 2021 20:03:58 -0700 +Subject: [PATCH 3/7] vhost-user-gpu: fix memory leak in + vg_resource_attach_backing (CVE-2021-3544) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Check whether the 'res' has already been attach_backing to avoid +memory leak. + +Fixes: CVE-2021-3544 +Reported-by: Li Qiang <liq3ea@163.com> +virtio-gpu fix: 204f01b309 ("virtio-gpu: 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: <20210516030403.107723-4-liq3ea@163.com> +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> +--- + contrib/vhost-user-gpu/vhost-user-gpu.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-gpu/vhost-user-gpu.c +index b5e153d0d6..0437e52b64 100644 +--- a/contrib/vhost-user-gpu/vhost-user-gpu.c ++++ b/contrib/vhost-user-gpu/vhost-user-gpu.c +@@ -489,6 +489,11 @@ vg_resource_attach_backing(VuGpu *g, + return; + } + ++ if (res->iov) { ++ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; ++ return; ++ } ++ + ret = vg_create_mapping_iov(g, &ab, cmd, &res->iov); + if (ret != 0) { + cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; +-- +2.25.1 + |