Vulnerability-Lookup

RHSA-2018:0395

Vulnerability from csaf_opensuse - Published: 2018-03-06 00:00 - Updated: 2026-09-20 11:00

Summary

security update for kernel

Severity

Important

Notes

Title of the patch: security update for kernel

Description of the patch: This security update provides a functional equivalent of RHSA-2018:0395. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2018:0395.

Patchnames: RHSA-2018:0395

CVE-2017-12188

7.6 (High)


                
                  CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 7:kernel-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-abi-whitelists-0:3.10.0-693.21.1.el7.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-debug-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-debug-devel-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-devel-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-doc-0:3.10.0-693.21.1.el7.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-headers-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-devel-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:perf-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:python-perf-0:3.10.0-693.21.1.el7.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2017-7518

5.3 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

Recommended 12 products, the same list as for CVE-2017-12188

Threats

Impact moderate

References

10 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://www.suse.com/security/cve/CVE-2017-12188/	self
https://www.suse.com/security/cve/CVE-2017-7518/	self
https://www.suse.com/security/cve/CVE-2017-12188	external
https://bugzilla.suse.com/1062604	external
https://bugzilla.suse.com/1096566	external
https://www.suse.com/security/cve/CVE-2017-7518	external
https://bugzilla.suse.com/1045922	external
https://bugzilla.suse.com/1087082	external

JSON

To clipboard

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  "vulnerabilities": [
    {
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          "category": "general",
          "text": "arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an \"MMU potential stack buffer overrun.\"",
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}

CVE-2017-12188 (GCVE-0-2017-12188)

Vulnerability from cvelistv5 – Published: 2017-10-11 15:00 – Updated: 2024-08-05 18:28

Summary

arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an "MMU potential stack buffer overrun."

Severity

No CVSS data available.

CWE

CWE-121

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2018:0412	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0395	vendor-advisoryx_refsource_REDHAT
https://patchwork.kernel.org/patch/9996587/	x_refsource_CONFIRM
https://patchwork.kernel.org/patch/9996579/	x_refsource_CONFIRM
http://www.securityfocus.com/bid/101267	vdb-entryx_refsource_BID
https://bugzilla.redhat.com/show_bug.cgi?id=1500380	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	Linux kernel	Affected: Linux kernel

Date Public

2017-10-11 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2017-7518 (GCVE-0-2017-7518)

Vulnerability from cvelistv5 – Published: 2018-07-30 13:00 – Updated: 2024-08-05 16:04

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.

Severity

5.5 (Medium)


                        
                          CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-250

Assigner

redhat redhat root

References

12 references

URL	Tags
https://access.redhat.com/errata/RHSA-2018:0412	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/articles/3290921	x_refsource_CONFIRM
https://usn.ubuntu.com/3619-2/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:0395	vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3754-1/	vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1038782	vdb-entryx_refsource_SECTRACK
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2017/06/23/5	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3619-1/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2017/dsa-3981	vendor-advisoryx_refsource_DEBIAN
https://www.spinics.net/lists/kvm/msg151817.html	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/99263	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
[UNKNOWN]	Kernel:	Affected: 4.12

Date Public

2017-06-22 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RHSA-2018:0395

CVE-2017-12188 (GCVE-0-2017-12188)

CVE-2017-7518 (GCVE-0-2017-7518)

Tags

Sightings

Nomenclature

Related by attack behaviour