vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-10853): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Aug 17, 2018 | Oct 9, 2018 | Jan 23, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 17, 2018
Added
Oct 9, 2018
Modified
Jan 23, 2025
Description
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.
Solution(s)
ubuntu-upgrade-linux-image-4-15-0-1021-gcpubuntu-upgrade-linux-image-4-15-0-1021-oemubuntu-upgrade-linux-image-4-15-0-1023-awsubuntu-upgrade-linux-image-4-15-0-1023-kvmubuntu-upgrade-linux-image-4-15-0-1024-raspi2ubuntu-upgrade-linux-image-4-15-0-36-genericubuntu-upgrade-linux-image-4-15-0-36-generic-lpaeubuntu-upgrade-linux-image-4-15-0-36-lowlatencyubuntu-upgrade-linux-image-4-15-0-36-snapdragonubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon
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