CVE-2017-2583
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 06 Feb 2017, 06:04
Last modified:05 Aug 2024, 13:55
Vulnerability Summary
Overall Risk (default)
medium
34/100 CVSS Score
8.4 HIGH
v3.0 (nvd)
EPSS Score
0.08% LOW
0% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
06 Feb 2017, 06:04
Published
Vulnerability first disclosed
05 Aug 2024, 13:55
Last Modified
Vulnerability information updated
Description
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
CVSS Metrics
- v3.0•HIGH•Score: 8.4CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.08%• Percentile: 24%
Affected Systems
- linux•linux_kernel
≤ 4.9.4
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=1414735
- https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3
- https://access.redhat.com/errata/RHSA-2017:1615
- http://www.openwall.com/lists/oss-security/2017/01/19/2
- https://usn.ubuntu.com/3754-1/
- http://www.securityfocus.com/bid/95673
- https://access.redhat.com/errata/RHSA-2017:1616
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5