CVE-2017-7518
Vulnerability from cvelistv5
Published
2018-07-30 13:00
Modified
2024-08-05 16:04
Severity ?
5.5 (Medium) - CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Linux guests are not affected by this.
References
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2017/06/23/5Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/99263Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.securitytracker.com/id/1038782Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/articles/3290921Permissions Required, Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0395Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0412Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7518Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3619-1/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3619-2/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3754-1/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2017/dsa-3981Third Party Advisory
secalert@redhat.comhttps://www.spinics.net/lists/kvm/msg151817.htmlMailing List, Patch
Impacted products
[UNKNOWN]Kernel:
Show details on NVD website

To clipboard 

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