{"id":"CVE-2012-5515","aliases":["DEBIAN-CVE-2012-5515","DSA-2582-1","EUVD-2012-5407","GHSA-h2f3-x3v9-p3c5","RHSA-2013:0168","SUSE-SU-2015:0940-1","SUSE-SU-2015:0944-1","openSUSE-SU-2024:10196-1"],"status":"published","title":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange...","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order 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rl":"https://www.suse.com/security/cve/CVE-2015-7311","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7504","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7512","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7549","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7835","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7969","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7970","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7971","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7972","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8104","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8339","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8341","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8504","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8550","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8554","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8555","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8558","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8613","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8615","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8619","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8744","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8745","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1714","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2198","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2270","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2271","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2392","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2841","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4441","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5238","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5338","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6258","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6259","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7094","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-5515","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2012-12-13T11:00:00Z","modified":"2024-08-06T21:05:47.267Z","updated_at":"2026-11-02T14:34:49.246229Z"}],"euvd":[{"id":"EUVD-2012-5407","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2012-12-13T11:00:00Z","modified":"2024-08-06T21:05:47Z","updated_at":"2026-11-03T01:56:04.919378Z"}],"ghsa":[{"id":"GHSA-h2f3-x3v9-p3c5","title":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange...","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2022-05-17T01:39:23Z","modified":"2023-02-03T05:04:45Z","updated_at":"2026-11-02T14:53:37.258179Z"}],"nvd":[{"id":"CVE-2012-5515","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2012-12-13T11:53:49.103Z","modified":"2026-06-16T23:46:55.58Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:16.958223Z"}],"osv":[{"id":"CVE-2012-5515","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2012-12-13T11:53:49Z","modified":"2026-04-10T03:42:32.032203Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5515","description":"The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.","status":"published","published":"2012-12-13T11:53:49.103Z","modified":"2026-10-23T17:47:22.549228127Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DSA-2582-1","title":"xen - denial of service","status":"published","published":"2012-12-07T00:00:00Z","modified":"2026-03-09T01:17:56.543387Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10196-1","title":"xen-4.7.0_12-1.3 on GA media","description":"These are all security issues fixed in the xen-4.7.0_12-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:39.408456Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2013:0168","title":"Red Hat Security Advisory: kernel security and bug fix update","status":"published","published":"2024-09-15T20:28:52Z","modified":"2026-06-28T10:07:18Z","updated_at":"2026-11-02T15:53:01.495018Z"},{"id":"SUSE-SU-2015:0940-1","title":"Security update for Xen","description":"\nThis update fixes the following security issues in Xen:\n\n    * CVE-2012-5510: Grant table version switch list corruption\n      vulnerability (XSA-26)\n    * CVE-2012-5511: Several HVM operations do not validate the range of\n      their inputs (XSA-27)\n    * CVE-2012-5513: XENMEM_exchange may overwrite hypervisor memory\n      (XSA-29)\n    * CVE-2012-5514: Missing unlock in\n      guest_physmap_mark_populate_on_demand() (XSA-30)\n    * CVE-2012-5515: Several memory hypercall operations allow invalid\n      extent order values (XSA-31)\n\nAlso the following fix has been applied:\n\n    * bnc#777628 - guest 'disappears' after live migration\n      Updated block-dmmd script\n\nSecurity Issues references:\n\n    * CVE-2012-5513\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5513\u003e\n    * CVE-2012-5514\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5514\u003e\n    * CVE-2012-5511\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5511\u003e\n    * CVE-2012-5510\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5510\u003e\n    * CVE-2012-5515\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5515\u003e\n\n","status":"published","published":"2012-11-22T17:59:15Z","modified":"2026-02-04T02:24:40.497699Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"SUSE-SU-2015:0944-1","title":"Security update for Xen","description":"\nXEN has been updated to fix various bugs and security issues:\n\n    * \n\n      CVE-2013-0153: (XSA 36) To avoid an erratum in early hardware, the\n      Xen AMD IOMMU code by default choose to use a single interrupt\n      remapping table for the whole system. This sharing implied that any\n      guest with a passed through PCI device that is bus mastering capable\n      can inject interrupts into other guests, including domain 0. This has\n      been disabled for AMD chipsets not capable of it.\n\n    * \n\n      CVE-2012-6075: qemu: The e1000 had overflows under some conditions,\n      potentially corrupting memory.\n\n    * \n\n      CVE-2013-0154: (XSA 37) Hypervisor crash due to incorrect ASSERT\n      (debug build only)\n\n    * \n\n      CVE-2012-5634: (XSA-33) A VT-d interrupt remapping source validation\n      flaw was fixed.\n\nAlso the following bugs have been fixed:\n\n    * bnc#805094 - xen hot plug attach/detach fails\n    * bnc#802690 - domain locking can prevent a live migration from\n      completing\n    * bnc#797014 - no way to control live migrations\n          o fix logic error in stdiostream_progress\n          o restore logging in xc_save\n          o add options to control migration tunables\n    * bnc#806736: enabling xentrace crashes hypervisor\n    * Upstream patches from Jan 26287-sched-credit-pick-idle.patch\n      26501-VMX-simplify-CR0-update.patch\n      26502-VMX-disable-SMEP-when-not-paging.patch\n      26516-ACPI-parse-table-retval.patch (Replaces\n      CVE-2013-0153-xsa36.patch) 26517-AMD-IOMMU-clear-irtes.patch\n      (Replaces CVE-2013-0153-xsa36.patch)\n      26518-AMD-IOMMU-disable-if-SATA-combined-mode.patch (Replaces\n      CVE-2013-0153-xsa36.patch)\n      26519-AMD-IOMMU-perdev-intremap-default.patch (Replaces\n      CVE-2013-0153-xsa36.patch) 26526-pvdrv-no-devinit.patch\n      26531-AMD-IOMMU-IVHD-special-missing.patch (Replaces\n      CVE-2013-0153-xsa36.patch)\n    * bnc#798188 - Add $network to xend initscript dependencies\n    * bnc#799694 - Unable to dvd or cdrom-boot DomU after xen-tools update\n      Fixed with update to Xen version 4.1.4\n    * bnc#800156 - L3: HP iLo Generate NMI function not working in XEN\n      kernel\n    * Upstream patches from Jan 26404-x86-forward-both-NMI-kinds.patch\n      26427-x86-AMD-enable-WC+.patch\n    * bnc#793927 - Xen VMs with more than 2 disks randomly fail to start\n    * Upstream patches from Jan 26332-x86-compat-show-guest-stack-mfn.patch\n      26333-x86-get_page_type-assert.patch (Replaces\n      CVE-2013-0154-xsa37.patch)\n      26340-VT-d-intremap-verify-legacy-bridge.patch (Replaces\n      CVE-2012-5634-xsa33.patch) 26370-libxc-x86-initial-mapping-fit.patch\n    * Update to Xen 4.1.4 c/s 23432\n    * Update xenpaging.guest-memusage.patch add rule for xenmem to avoid\n      spurious build failures\n    * Upstream patches from Jan 26179-PCI-find-next-cap.patch\n      26183-x86-HPET-masking.patch 26188-x86-time-scale-asm.patch\n      26200-IOMMU-debug-verbose.patch 26203-x86-HAP-dirty-vram-leak.patch\n      26229-gnttab-version-switch.patch (Replaces\n      CVE-2012-5510-xsa26.patch) 26230-x86-HVM-limit-batches.patch\n      (Replaces CVE-2012-5511-xsa27.patch)\n      26231-memory-exchange-checks.patch (Replaces\n      CVE-2012-5513-xsa29.patch) 26232-x86-mark-PoD-error-path.patch\n      (Replaces CVE-2012-5514-xsa30.patch) 26233-memop-order-checks.patch\n      (Replaces CVE-2012-5515-xsa31.patch)\n      26235-IOMMU-ATS-max-queue-depth.patch\n      26272-x86-EFI-makefile-cflags-filter.patch\n      26294-x86-AMD-Fam15-way-access-filter.patch CVE-2013-0154-xsa37.patch\n    * Restore c/s 25751 in 23614-x86_64-EFI-boot.patch. Modify the EFI\n      Makefile to do additional filtering.\n\nSecurity Issue references:\n\n    * CVE-2013-0153\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0153\u003e\n    * CVE-2012-6075\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6075\u003e\n    * CVE-2012-5634\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5634\u003e\n\n","status":"published","published":"2013-03-13T11:27:38Z","modified":"2026-02-04T04:06:10.61132Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}