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| author | Sergei Lukin <sergej.lukin@gmail.com> | 2017-04-18 12:55:12 +0000 |
|---|---|---|
| committer | Natanael Copa <ncopa@alpinelinux.org> | 2017-04-21 12:52:14 +0000 |
| commit | 251f7b99aba7d81c9ef398c6f3ec41f06c2ba661 (patch) | |
| tree | 980a1728084ee290a631b716d1697125994dfe48 /main/qemu/CVE-2017-5857.patch | |
| parent | 6e43b8e910ddb974b60364e4a18c31ff9c22b9e8 (diff) | |
| download | aports-251f7b99aba7d81c9ef398c6f3ec41f06c2ba661.tar.bz2 aports-251f7b99aba7d81c9ef398c6f3ec41f06c2ba661.tar.xz | |
main/qemu: security fixes #6921
CVE-2016-7994: Qemu virtio-gpu: memory leak in virtio_gpu_resource_create_2d
CVE-2016-7995: Qemu: usb: hcd-ehci: memory leak in ehci_process_itd
CVE-2016-8576: Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch
CVE-2016-8577: Qemu: 9pfs: host memory leakage in v9fs_read
CVE-2016-8578: Qemu: 9pfs: potential NULL dereferencein 9pfs routines
CVE-2016-8668: Qemu: net: OOB buffer access in rocker switch emulation
CVE-2016-8909: Qemu: audio: intel-hda: infinite loop in processing dma buffer stream
CVE-2016-8910: Qemu: net: rtl8139: infinite loop while transmit in C+ mode
CVE-2016-9101: Qemu: net: eepro100 memory leakage at device unplug
CVE-2016-9102: Qemu: 9pfs: memory leakage when creating extended attribute
CVE-2016-9103: Qemu: 9pfs: information leakage via xattribute
CVE-2016-9104: Qemu: 9pfs: integer overflow leading to OOB access
CVE-2016-9105: Qemu: memory leakage in v9fs_link
CVE-2016-9106: Qemu: 9pfs: memory leakage in v9fs_write
CVE-2017-5525: Qemu: audio: memory leakage in ac97 device
CVE-2017-5552: Qemu: display: virtio-gpu-3d: memory leakage in virgl_resource_attach_backing
CVE-2017-5578: Qemu: display: virtio-gpu: host memory leakage in virtio_gpu_resource_attach_backing
CVE-2017-5579: Qemu: serial: host memory leakage in 16550A UART emulation
CVE-2017-5667: Qemu: sd: sdhci OOB access during multi block SDMA transfer
CVE-2017-5856: Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd
CVE-2017-5857: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unref
CVE-2017-5898: Qemu: usb: integer overflow in emulated_apdu_from_guest
CVE-2017-5931: virtio: integer overflow in handling virtio-crypto requests
CVE-2017-2615: Qemu: display: cirrus: oob access while doing bitblt copy backward mode
CVE-2017-2620: Qemu: display: cirrus: potential arbitrary code execution via cirrus_bitblt_cputovideo
CVE-2017-6505: usb: an infinite loop issue in ohci_service_ed_list
Diffstat (limited to 'main/qemu/CVE-2017-5857.patch')
| -rwxr-xr-x | main/qemu/CVE-2017-5857.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/main/qemu/CVE-2017-5857.patch b/main/qemu/CVE-2017-5857.patch new file mode 100755 index 0000000000..664a669ffa --- /dev/null +++ b/main/qemu/CVE-2017-5857.patch @@ -0,0 +1,38 @@ +When the guest sends VIRTIO_GPU_CMD_RESOURCE_UNREF without detaching the +backing storage beforehand (VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING) +we'll leak memory. + +This patch fixes it for 3d mode, simliar to the 2d mode fix in commit +"b8e2392 virtio-gpu: call cleanup mapping function in resource destroy". + +Reported-by: 李强 <address@hidden> +Signed-off-by: Gerd Hoffmann <address@hidden> +--- + hw/display/virtio-gpu-3d.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c +index f96a0c2..ecb09d1 100644 +--- a/hw/display/virtio-gpu-3d.c ++++ b/hw/display/virtio-gpu-3d.c +@@ -77,10 +77,18 @@ static void virgl_cmd_resource_unref(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) + { + struct virtio_gpu_resource_unref unref; ++ struct iovec *res_iovs = NULL; ++ int num_iovs = 0; + + VIRTIO_GPU_FILL_CMD(unref); + trace_virtio_gpu_cmd_res_unref(unref.resource_id); + ++ virgl_renderer_resource_detach_iov(unref.resource_id, ++ &res_iovs, ++ &num_iovs); ++ if (res_iovs != NULL && num_iovs != 0) { ++ virtio_gpu_cleanup_mapping_iov(res_iovs, num_iovs); ++ } + virgl_renderer_resource_unref(unref.resource_id); + } + +-- +1.8.3.1 |