An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-guest-agent-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-arm-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-utils-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-user": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-kvm": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-ppc-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-aarch64": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-user-static": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-arm": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-sparc": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-common-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-common": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-x86-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-guest-agent": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-utils": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-misc-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-sparc-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-mips-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-x86": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-ppc": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-common": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-keymaps": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-user-static-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-system-mips": "2.0.0+dfsg-2ubuntu1.47+esm3", "qemu-user-dbgsym": "2.0.0+dfsg-2ubuntu1.47+esm3" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-guest-agent-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-block-extra-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-utils-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-user": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-arm-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-kvm": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-ppc-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-aarch64": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-user-static": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-arm": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-sparc": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-s390x-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-common-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-x86-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-guest-agent": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-utils": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-sparc-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-misc-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-block-extra": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-mips-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-x86": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-ppc": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-s390x": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-common": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-user-static-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-system-mips": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-user-dbgsym": "1:2.5+dfsg-5ubuntu10.51+esm2", "qemu-user-binfmt": "1:2.5+dfsg-5ubuntu10.51+esm2" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-guest-agent-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-block-extra-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-utils-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-user": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-arm-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-kvm": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-ppc-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-user-static": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-arm": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-sparc": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-s390x-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-common-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-x86-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-guest-agent": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-utils": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-block-extra": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-misc-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-sparc-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-mips-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-x86": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-ppc": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-s390x": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-common": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-user-static-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-system-mips": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-user-dbgsym": "1:2.11+dfsg-1ubuntu7.42+esm1", "qemu-user-binfmt": "1:2.11+dfsg-1ubuntu7.42+esm1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "1:4.2-3ubuntu6.27", "qemu-guest-agent-dbgsym": "1:4.2-3ubuntu6.27", "qemu-block-extra-dbgsym": "1:4.2-3ubuntu6.27", "qemu-utils-dbgsym": "1:4.2-3ubuntu6.27", "qemu-user": "1:4.2-3ubuntu6.27", "qemu-system-x86-microvm": "1:4.2-3ubuntu6.27", "qemu-kvm": "1:4.2-3ubuntu6.27", "qemu-system-arm-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-ppc-dbgsym": "1:4.2-3ubuntu6.27", "qemu-user-static": "1:4.2-3ubuntu6.27", "qemu-system-arm": "1:4.2-3ubuntu6.27", "qemu": "1:4.2-3ubuntu6.27", "qemu-system-x86-xen": "1:4.2-3ubuntu6.27", "qemu-system-sparc": "1:4.2-3ubuntu6.27", "qemu-system-data": "1:4.2-3ubuntu6.27", "qemu-system-common-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-s390x-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-x86-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system": "1:4.2-3ubuntu6.27", "qemu-guest-agent": "1:4.2-3ubuntu6.27", "qemu-utils": "1:4.2-3ubuntu6.27", "qemu-system-x86-xen-dbgsym": "1:4.2-3ubuntu6.27", "qemu-block-extra": "1:4.2-3ubuntu6.27", "qemu-system-misc-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-sparc-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-mips-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-x86": "1:4.2-3ubuntu6.27", "qemu-system-ppc": "1:4.2-3ubuntu6.27", "qemu-system-s390x": "1:4.2-3ubuntu6.27", "qemu-system-x86-microvm-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-common": "1:4.2-3ubuntu6.27", "qemu-system-gui-dbgsym": "1:4.2-3ubuntu6.27", "qemu-user-static-dbgsym": "1:4.2-3ubuntu6.27", "qemu-system-mips": "1:4.2-3ubuntu6.27", "qemu-system-gui": "1:4.2-3ubuntu6.27", "qemu-user-binfmt": "1:4.2-3ubuntu6.27", "qemu-user-dbgsym": "1:4.2-3ubuntu6.27" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "1:6.2+dfsg-2ubuntu6.11", "qemu-guest-agent-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-block-extra-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-utils-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-user": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-x86-microvm": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-arm-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-ppc-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-user-static": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-arm": "1:6.2+dfsg-2ubuntu6.11", "qemu": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-x86-xen": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-sparc": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-data": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-common-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-s390x-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-x86-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system": "1:6.2+dfsg-2ubuntu6.11", "qemu-guest-agent": "1:6.2+dfsg-2ubuntu6.11", "qemu-utils": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-x86-xen-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-block-extra": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-sparc-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-misc-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-mips-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-x86": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-ppc": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-s390x": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-common": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-gui-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-user-static-dbgsym": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-mips": "1:6.2+dfsg-2ubuntu6.11", "qemu-system-gui": "1:6.2+dfsg-2ubuntu6.11", "qemu-user-binfmt": "1:6.2+dfsg-2ubuntu6.11", "qemu-user-dbgsym": "1:6.2+dfsg-2ubuntu6.11" } ] }