CVE-2017-7518 (GCVE-0-2017-7518)
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
CWE
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.com http://www.openwall.com/lists/oss-security/2017/06/23/5 Mailing List, Patch, Third Party Advisory
secalert@redhat.com http://www.securityfocus.com/bid/99263 Third Party Advisory, VDB Entry
secalert@redhat.com http://www.securitytracker.com/id/1038782 Third Party Advisory, VDB Entry
secalert@redhat.com https://access.redhat.com/articles/3290921 Permissions Required, Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2018:0395 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2018:0412 Third Party Advisory
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7518 Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com https://usn.ubuntu.com/3619-1/ Third Party Advisory
secalert@redhat.com https://usn.ubuntu.com/3619-2/ Third Party Advisory
secalert@redhat.com https://usn.ubuntu.com/3754-1/ Third Party Advisory
secalert@redhat.com https://www.debian.org/security/2017/dsa-3981 Third Party Advisory
secalert@redhat.com https://www.spinics.net/lists/kvm/msg151817.html Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2017/06/23/5 Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.securityfocus.com/bid/99263 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://www.securitytracker.com/id/1038782 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/articles/3290921 Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:0395 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:0412 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7518 Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3619-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3619-2/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3754-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2017/dsa-3981 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.spinics.net/lists/kvm/msg151817.html Mailing List, Patch
Impacted products
Vendor Product Version
[UNKNOWN] Kernel: Version: 4.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.