RedhatCVELIST:CVE-2018-10901CVE-2018-10901
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%
A flaw was found in Linux kernel’s KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host’s userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.
CNA Affected
[
{
"product": "kernel:",
"vendor": "[UNKNOWN]",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]References
www.securityfocus.com/bid/104905
access.redhat.com/errata/RHSA-2018:2390
access.redhat.com/errata/RHSA-2018:2391
access.redhat.com/errata/RHSA-2018:2392
access.redhat.com/errata/RHSA-2018:2393
access.redhat.com/errata/RHSA-2018:2394
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36
help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
www.oracle.com/security-alerts/cpujul2020.html
www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%