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UBUNTU-CVE-2018-15594 Moderate

UBUNTU-CVE-2018-15594

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

Exploit probability Not scored
Published August 20, 2018
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux

138 explicit affected versions

Ubuntu:14.04:LTS linux-aws

19 explicit affected versions

Ubuntu:14.04:LTS linux-azure

1 explicit affected versions

Ubuntu:14.04:LTS linux-lts-xenial

59 explicit affected versions

Ubuntu:16.04:LTS linux

81 explicit affected versions

Ubuntu:16.04:LTS linux-aws

40 explicit affected versions

Ubuntu:16.04:LTS linux-azure

22 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

20 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

40 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

19 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

53 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

51 explicit affected versions

Ubuntu:18.04:LTS linux

18 explicit affected versions

Ubuntu:18.04:LTS linux-aws

13 explicit affected versions

Ubuntu:18.04:LTS linux-azure

13 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

12 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

13 explicit affected versions

Ubuntu:18.04:LTS linux-oem

10 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

14 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3775-2

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2018-15594

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

View original source

05 / REFERENCES

Further evidence