CVE-2018-15594: Infoleak
First published: Fri Aug 03 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1062.rt56.1022.el7 | 0:3.10.0-1062.rt56.1022.el7 |
| redhat/kernel | <0:3.10.0-1062.el7 | 0:3.10.0-1062.el7 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Linux Kernel | <4.18.1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2018-15594 https://nvd.nist.gov/vuln/detail/CVE-2018-15594
- https://bugzilla.redhat.com/show_bug.cgi?id=1620555
- https://access.redhat.com/errata/RHSA-2019:2043
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/security/cve/cve-2018-15594
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- http://www.securityfocus.com/bid/105120
- http://www.securitytracker.com/id/1041601
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
- https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://twitter.com/grsecurity/status/1029324426142199808
- https://usn.ubuntu.com/3775-1/
- https://usn.ubuntu.com/3775-2/
- https://usn.ubuntu.com/3776-1/
- https://usn.ubuntu.com/3776-2/
- https://usn.ubuntu.com/3777-1/
- https://usn.ubuntu.com/3777-2/
- https://usn.ubuntu.com/3777-3/
- https://www.debian.org/security/2018/dsa-4308
- https://launchpad.net/bugs/cve/CVE-2018-15594
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1620557
- https://git.kernel.org/linus/5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://security-tracker.debian.org/tracker/CVE-2018-15594
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15594
- https://nvd.nist.gov/vuln/detail/CVE-2018-15594
- https://ubuntu.com/security/CVE-2018-15594
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2018-15594.
What is the severity of CVE-2018-15594?
CVE-2018-15594 has a severity of medium (5.6).
How does CVE-2018-15594 affect the Linux kernel?
CVE-2018-15594 affects the Linux kernel before version 4.18.1.
What is the impact of CVE-2018-15594?
CVE-2018-15594 makes it easier for attackers to conduct Spectre-v2 attacks against paravirtualized guests.
How do I fix CVE-2018-15594?
To fix CVE-2018-15594, update the Linux kernel to version 4.18.1 or later.
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