CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
14.2%
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen
through 4.14.x. Guest OS users can cause a denial of service (host OS hang)
via a high rate of events to dom0, aka CID-e99502f76271.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | <Â 4.15.0-129.132 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | <Â 5.4.0-59.65 | UNKNOWN |
ubuntu | 20.10 | noarch | linux | <Â 5.8.0-44.50 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | <Â 4.4.0-198.230 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | <Â 4.15.0-1091.96 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | <Â 5.4.0-1034.35 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-aws | <Â 5.8.0-1024.26 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | <Â 4.4.0-1083.87 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | <Â 4.4.0-1119.133 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | <Â 5.4.0-1034.35~18.04.1 | UNKNOWN |
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070
github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070
launchpad.net/bugs/cve/CVE-2020-27673
nvd.nist.gov/vuln/detail/CVE-2020-27673
security-tracker.debian.org/tracker/CVE-2020-27673
ubuntu.com/security/notices/USN-4751-1
www.cve.org/CVERecord?id=CVE-2020-27673
xenbits.xen.org/xsa/advisory-332.html
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
14.2%