GHSA-VQ4V-M97R-FVVC
Vulnerability from github – Published: 2022-05-14 02:05 – Updated: 2022-05-14 02:05The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
{
"affected": [],
"aliases": [
"CVE-2014-8594"
],
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2014-11-19T18:59:00Z",
"severity": "MODERATE"
},
"details": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).",
"id": "GHSA-vq4v-m97r-fvvc",
"modified": "2022-05-14T02:05:35Z",
"published": "2022-05-14T02:05:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8594"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201504-04"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/62672"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2015/dsa-3140"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/71149"
},
{
"type": "WEB",
"url": "http://xenbits.xen.org/xsa/advisory-109.html"
}
],
"schema_version": "1.4.0",
"severity": []
}
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