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CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands. Un desbordamiento de búfer en la región heap de la memoria en la función vrend_renderer_transfer_write_iov en el archivo vrend_renderer.c en virglrenderer versiones hasta 0.8.0, permite a usuarios del SO invitado causar una denegación de servicio, o una ejecución de código y escape de invitado a host de QEMU, por medio de los comandos VIRGL_CCMD_RESOURCE_INLINE_WRITE. • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html https://access.redhat.com/security/cve/cve-2019-18389 https://bugzilla.redhat.com/show_bug.cgi?id=1765577 https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921 https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html • CWE-787: Out-of-bounds Write •

CVSS: 7.1EPSS: 0%CPEs: 4EXPL: 0

An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_BLIT commands. Una lectura fuera de límites en la función vrend_blit_need_swizzle en el archivo vrend_renderer.c en virglrenderer versiones hasta 0.8.0, permite a usuarios invitados del sistema operativo causar una denegación de servicio por medio de los comandos VIRGL_CCMD_BLIT. • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html https://access.redhat.com/security/cve/cve-2019-18390 https://bugzilla.redhat.com/show_bug.cgi?id=1765584 https://gitlab.freedesktop.org/virgl/virglrenderer/commit/24f67de7a9088a873844a39be03cee6882260ac9 https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=d2cdbcf6a8f2317f250fd54f08aa35dde2fa3e30#3cd772559e0d73afa136d6818023cfd0c4c8ecc0_0_151 https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html • CWE-125: Out-of-bounds Read •

CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0

Memory leak in the virgl_resource_attach_backing function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands. Fuga de memoria en la función virgl_resource_attach_backing en virglrenderer en versiones anteriores a 0.6.0 permite a usuarios invitados locales del SO provocar una denegación de servicio (consumo de memoria) a través de un número grande de comandos VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands. • http://www.openwall.com/lists/oss-security/2017/02/09/5 http://www.securityfocus.com/bid/96181 https://cgit.freedesktop.org/virglrenderer/commit/?id=40b0e7813325b08077b6f541b3989edb2d86d837 https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html https://security.gentoo.org/glsa/201707-06 • CWE-399: Resource Management Errors •

CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0

The vrend_draw_vbo function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors involving vertext_buffer_index. La función vrend_draw_vbo en virglrenderer en versiones anteriores a 0.6.0 permiten a usuarios invitados locales OS provocar una denegación de servicio (acceso a matriz fuera de límites y QEMU bloqueo de proceso) a través de vectores involucrando vertext_buffer_index. • http://www.openwall.com/lists/oss-security/2017/02/13/2 http://www.securityfocus.com/bid/96187 https://cgit.freedesktop.org/virglrenderer/commit/?id=a5ac49940c40ae415eac0cf912eac7070b4ba95d https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html https://security.gentoo.org/glsa/201707-06 • CWE-125: Out-of-bounds Read •

CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0

The util_format_is_pure_uint function in vrend_renderer.c in Virgil 3d project (aka virglrenderer) 0.6.0 and earlier allows local guest OS users to cause a denial of service (NULL pointer dereference) via a crafted VIRGL_CCMD_CLEAR command. La función util_format_is_pure_uint en vrend_renderer.c en el proyecto Virgil 3d (también conocido como virglrenderer) 0.6.0 y versiones anteriores permite a usuarios locales de SO invitado provocar una denegación de servicio (referencia a puntero NULL) a través de un comando VIRGL_CCMD_CLEAR manipulado. • http://www.openwall.com/lists/oss-security/2017/02/09/4 http://www.securityfocus.com/bid/96180 https://bugzilla.redhat.com/show_bug.cgi?id=1420246 https://cgit.freedesktop.org/virglrenderer/commit/?id=48f67f60967f963b698ec8df57ec6912a43d6282 • CWE-476: NULL Pointer Dereference •