CVE-2017-15306
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 06 Nov 2017, 18:00
Last modified:05 Aug 2024, 19:50
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
06 Nov 2017, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 19:50
Last Modified
Vulnerability information updated
Description
The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel before 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a KVM_CHECK_EXTENSION KVM_CAP_PPC_HTM ioctl call to /dev/kvm.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.04%• Percentile: 14%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
≤ 4.13.10
References (5)
- http://www.securityfocus.com/bid/101693
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
- https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0
- http://openwall.com/lists/oss-security/2017/11/06/6