vulnerability

Ubuntu: (Multiple Advisories) (CVE-2018-12904): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Jun 27, 2018
Added
Aug 31, 2018
Modified
Jan 23, 2025

Description

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

Solutions

ubuntu-upgrade-linux-image-4-15-0-1017-oemubuntu-upgrade-linux-image-4-15-0-1018-gcpubuntu-upgrade-linux-image-4-15-0-1020-awsubuntu-upgrade-linux-image-4-15-0-1020-kvmubuntu-upgrade-linux-image-4-15-0-1021-raspi2ubuntu-upgrade-linux-image-4-15-0-1022-azureubuntu-upgrade-linux-image-4-15-0-33-genericubuntu-upgrade-linux-image-4-15-0-33-generic-lpaeubuntu-upgrade-linux-image-4-15-0-33-lowlatencyubuntu-upgrade-linux-image-4-15-0-33-snapdragonubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-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

References

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