Branch: refs/heads/master Home: https://github.com/qemu/qemu Commit: 9569f5cb5b4bffa9d3ebc8ba7da1e03830a9a895 https://github.com/qemu/qemu/commit/9569f5cb5b4bffa9d3ebc8ba7da1e03830a9a895 Author: Mauro Matteo Cascella <mcasc...@redhat.com> Date: 2022-04-07 (Thu, 07 Apr 2022)
Changed paths: M hw/display/qxl-render.c Log Message: ----------- display/qxl-render: fix race condition in qxl_cursor (CVE-2021-4207) Avoid fetching 'width' and 'height' a second time to prevent possible race condition. Refer to security advisory https://starlabs.sg/advisories/22-4207/ for more information. Fixes: CVE-2021-4207 Signed-off-by: Mauro Matteo Cascella <mcasc...@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> Message-Id: <20220407081106.343235-1-mcasc...@redhat.com> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> Commit: fa892e9abb728e76afcf27323ab29c57fb0fe7aa https://github.com/qemu/qemu/commit/fa892e9abb728e76afcf27323ab29c57fb0fe7aa Author: Mauro Matteo Cascella <mcasc...@redhat.com> Date: 2022-04-07 (Thu, 07 Apr 2022) Changed paths: M hw/display/qxl-render.c M hw/display/vmware_vga.c M ui/cursor.c Log Message: ----------- ui/cursor: fix integer overflow in cursor_alloc (CVE-2021-4206) Prevent potential integer overflow by limiting 'width' and 'height' to 512x512. Also change 'datasize' type to size_t. Refer to security advisory https://starlabs.sg/advisories/22-4206/ for more information. Fixes: CVE-2021-4206 Signed-off-by: Mauro Matteo Cascella <mcasc...@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> Message-Id: <20220407081712.345609-1-mcasc...@redhat.com> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> Commit: dde8689d1fe82e295a278ba4bf1abd9be5c7bcab https://github.com/qemu/qemu/commit/dde8689d1fe82e295a278ba4bf1abd9be5c7bcab Author: Peter Maydell <peter.mayd...@linaro.org> Date: 2022-04-08 (Fri, 08 Apr 2022) Changed paths: M hw/display/qxl-render.c M hw/display/vmware_vga.c M ui/cursor.c Log Message: ----------- Merge tag 'fixes-20220408-pull-request' of git://git.kraxel.org/qemu into staging two cursor/qxl related security fixes. # gpg: Signature made Fri 08 Apr 2022 05:37:16 BST # gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kra...@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <g...@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kra...@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * tag 'fixes-20220408-pull-request' of git://git.kraxel.org/qemu: ui/cursor: fix integer overflow in cursor_alloc (CVE-2021-4206) display/qxl-render: fix race condition in qxl_cursor (CVE-2021-4207) Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> Compare: https://github.com/qemu/qemu/compare/95a3fcc7487e...dde8689d1fe8