Description
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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-3981-1 | linux security update |
EUVD |
EUVD-2017-16535 | 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. |
Ubuntu USN |
USN-3619-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-3619-2 | Linux kernel (Xenial HWE) vulnerabilities |
Ubuntu USN |
USN-3754-1 | Linux kernel vulnerabilities |
References
History
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-05T16:04:11.892Z
Reserved: 2017-04-05T00:00:00.000Z
Link: CVE-2017-7518
No data.
Status : Modified
Published: 2018-07-30T15:29:00.560
Modified: 2024-11-21T03:32:03.680
Link: CVE-2017-7518
OpenCVE Enrichment
No data.
Debian DSA
EUVD
Ubuntu USN