CVE-2018-15594
Published: 20 August 2018
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.
From the Ubuntu security team
It was discovered that the paravirtualization implementation in the Linux kernel did not properly handle some indirect calls, reducing the effectiveness of Spectre v2 mitigations for paravirtual guests. A local attacker could use this to expose sensitive information.
Priority
CVSS 3 base score: 5.5
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-36.39)
|
cosmic |
Not vulnerable
(4.17.0-9.10)
|
|
precise |
Not vulnerable
|
|
trusty |
Released
(3.13.0-160.210)
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.4.0-137.163)
|
|
linux-aws Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1023.23)
|
cosmic |
Not vulnerable
(4.18.0-1002.3)
|
|
precise |
Does not exist
|
|
trusty |
Released
(4.4.0-1031.34)
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.4.0-1069.79)
|
|
linux-azure Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1025.26)
|
cosmic |
Not vulnerable
(4.18.0-1003.3)
|
|
precise |
Does not exist
|
|
trusty |
Released
(4.15.0-1030.31~14.04.1)
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.15.0-1025.26~16.04.1)
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-1004.4~18.04.1)
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.15.0-1025.26)
|
|
linux-euclid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Not vulnerable
|
|
linux-flo Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1021.22)
|
cosmic |
Not vulnerable
(4.18.0-1002.3)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.15.0-1021.22~16.04.1)
|
|
linux-gke Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Ignored
(end-of-life)
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Ignored
(end-of-life)
|
|
linux-grouper Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.15.0-36.39~16.04.1)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-11.12~18.04.1)
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.15.0-36.39~16.04.1)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1023.23)
|
cosmic |
Not vulnerable
(4.18.0-1002.2)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.4.0-1035.41)
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Released
(3.13.0-160.210~precise1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [out of standard support])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [out of standard support])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [out of standard support])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Released
(4.4.0-137.163~14.04.1)
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-maguro Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-mako Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-manta Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1021.24)
|
cosmic |
Not vulnerable
(4.15.0-1021.24)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Ignored
(was needed now end-of-life)
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1024.26)
|
cosmic |
Not vulnerable
(4.18.0-1004.6)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.4.0-1098.106)
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
cosmic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.19~rc1)
|
|
xenial |
Released
(4.4.0-1102.107)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15594
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
- https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://twitter.com/grsecurity/status/1029324426142199808
- https://ubuntu.com/security/notices/USN-3775-1
- https://ubuntu.com/security/notices/USN-3775-2
- https://ubuntu.com/security/notices/USN-3776-1
- https://ubuntu.com/security/notices/USN-3776-2
- https://ubuntu.com/security/notices/USN-3777-1
- https://ubuntu.com/security/notices/USN-3777-2
- https://ubuntu.com/security/notices/USN-3777-3
- NVD
- Launchpad
- Debian