CVE-2017-17741
Public on 2017-12-18
Modified on 2018-02-21
Description
Linux kernel compiled with the KVM virtualization (CONFIG_KVM) support is vulnerable to an out-of-bounds read access issue. It could occur when emulating vmcall instructions invoked by a guest. A guest user/process could use this flaw to disclose kernel memory bytes.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2018-01-18 | ALAS-2018-944 | Fixed |
| Amazon Linux 1 | kernel | 2018-02-20 | ALAS-2018-956 | Fixed |
| Amazon Linux 2 - Core | kernel | 2018-02-20 | ALAS2-2018-956 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 2.3 | AV:A/AC:M/Au:S/C:P/I:N/A:N |
| Amazon Linux | CVSSv3 | 4.1 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| NVD | CVSSv3 | 6.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |