{"id":"CVE-2011-1750","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1750","generatedAt":"2026-10-27T17:44:05.606Z","title":"Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write…","description":"Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.","published":"2012-06-21T15:55:09.000Z","lastModified":"2026-06-16T23:29:57.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.4,"severity":"HIGH","vector":"AV:A/AC:M/Au:S/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["qemu/qemu"],"epss":{"score":0.00709,"percentile":0.53241,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=52c050236eaa4f0b5e1d160cd66dc18106445c4d","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html","source":"secalert@redhat.com"},{"url":"http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03015.html","source":"secalert@redhat.com"},{"url":"http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03019.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2011-0534.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/44132","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/44393","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/44658","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/44660","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/44900","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.osvdb.org/73756","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67062","source":"secalert@redhat.com"},{"url":"https://hermes.opensuse.org/messages/8572547","source":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2011/dsa-2230","source":"secalert@redhat.com"},{"url":"https://www.ubuntu.com/usn/USN-1145-1/","source":"secalert@redhat.com"},{"url":"http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=52c050236eaa4f0b5e1d160cd66dc18106445c4d","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03019.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2011-0534.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44132","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44393","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44658","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44660","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44900","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/73756","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67062","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hermes.opensuse.org/messages/8572547","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2011/dsa-2230","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ubuntu.com/usn/USN-1145-1/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1750","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}