CVE Vulnerability

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://twitter.com/grsecurity/status/1029324426142199808 Third Party Advisory
https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd Mitigation Patch
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1 Release Notes Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd Mitigation Patch
http://www.securityfocus.com/bid/105120 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041601 Third Party Advisory VDB Entry
https://www.debian.org/security/2018/dsa-4308 Third Party Advisory
https://usn.ubuntu.com/3777-2/ Third Party Advisory
https://usn.ubuntu.com/3777-1/ Third Party Advisory
https://usn.ubuntu.com/3776-2/ Third Party Advisory
https://usn.ubuntu.com/3776-1/ Third Party Advisory
https://usn.ubuntu.com/3775-2/ Third Party Advisory
https://usn.ubuntu.com/3775-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3777-3/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
https://access.redhat.com/errata/RHSA-2019:2043
https://access.redhat.com/errata/RHSA-2019:2029
Configurations

Configuration 1

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2018-08-20 08:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-15594

Mitre link : CVE-2018-15594

Products Affected
No products.
CWE
CWE-200