ghsa-vhcx-55j8-pv9c
Vulnerability from github
Published
2022-05-13 01:48
Modified
2022-05-13 01:48
Severity
Details
A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.
{
"affected": [],
"aliases": [
"CVE-2018-10853"
],
"database_specific": {
"cwe_ids": [
"CWE-269"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-09-11T14:29:00Z",
"severity": "HIGH"
},
"details": "A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.",
"id": "GHSA-vhcx-55j8-pv9c",
"modified": "2022-05-13T01:48:57Z",
"published": "2022-05-13T01:48:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-10853"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2029"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2043"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0036"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0103"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0179"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3777-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3777-2"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2018/09/02/1"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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