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CVE-2018-15594

Good to know:

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Date: August 20, 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.

Language: C

Severity Score

Related Resources (23)

http://www.securityfocus.com/bid/105120
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
https://access.redhat.com/errata/RHSA-2019:2029
https://nvd.nist.gov/vuln/detail/CVE-2018-15594
https://www.debian.org/security/2018/dsa-4308
https://usn.ubuntu.com/3775-2/
https://usn.ubuntu.com/3776-1/
https://usn.ubuntu.com/3775-1/
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
https://access.redhat.com/errata/RHSA-2019:2043
https://access.redhat.com/security/cve/CVE-2018-15594
https://twitter.com/grsecurity/status/1029324426142199808
https://usn.ubuntu.com/3777-3/
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-15594
https://usn.ubuntu.com/3776-2/
https://usn.ubuntu.com/3777-1/
https://usn.ubuntu.com/3777-2/
https://security-tracker.debian.org/tracker/CVE-2018-15594
https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd
http://www.securitytracker.com/id/1041601
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
https://www.mend.io/vulnerability-database/CVE-2018-15594

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Security Features

CWE-254

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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