CVE-2018-15594
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 20 Aug 2018, 08:00
Last modified:05 Aug 2024, 10:01
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.03% LOW
0% probability -0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 Aug 2018, 08:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:01
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.03%• Percentile: 11%
Techniques & Countermeasures
- CWE-200•Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 16.04 | 18.04
- debian•debian_linux
8.0 | 9.0
- linux•linux_kernel
< 4.18.1
References (18)
- https://usn.ubuntu.com/3776-1/
- https://twitter.com/grsecurity/status/1029324426142199808
- https://usn.ubuntu.com/3776-2/
- https://usn.ubuntu.com/3777-1/
- https://usn.ubuntu.com/3775-1/
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://www.debian.org/security/2018/dsa-4308
- https://usn.ubuntu.com/3775-2/
- http://www.securityfocus.com/bid/105120
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
- http://www.securitytracker.com/id/1041601
- https://usn.ubuntu.com/3777-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
- https://usn.ubuntu.com/3777-3/
- 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