kernel KVM
En bref
- Source
- NVD
- EPSS
- EPSS 0.74 % · centile 55 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Modified
Rechercher sur…
Description
kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the stack switch is executed. An unprivileged KVM guest user could use this flaw to crash the guest or, potentially, escalate their privileges in the guest.
Faiblesses (CWE)
- CWE-250 — Execution with Unnecessary Privileges
Références
- https://access.redhat.com/errata/RHSA-2018:1347
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1087
- http://www.securitytracker.com/id/1040862
- https://access.redhat.com/errata/RHSA-2018:1348
- https://www.debian.org/security/2018/dsa-4196
- https://access.redhat.com/errata/RHSA-2018:1355
- https://access.redhat.com/errata/RHSA-2018:1345
- https://access.redhat.com/security/vulnerabilities/pop_ss
- https://access.redhat.com/errata/RHSA-2018:1318
- https://access.redhat.com/errata/RHSA-2018:1524
- http://www.openwall.com/lists/oss-security/2018/05/08/5
- http://www.securityfocus.com/bid/104127
- https://usn.ubuntu.com/3641-2/
- https://usn.ubuntu.com/3641-1/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.0 | HIGH 8.0 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
| CVSS 3.0 | HIGH 8.0 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.0 | HIGH 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2018-11737
- GCVE · GCVE-0-2018-1087
Avis du CERT-FR
- CERTFR-2018-AVI-584 — Multiples vulnérabilités dans IBM QRadar SIEM · cert.ssi.gouv.fr
- CERTFR-2018-AVI-505 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2018-AVI-275 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2018-AVI-268 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2018-AVI-232 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2018-AVI-228 — Multiples vulnérabilités dans le noyau Linux de RedHat · cert.ssi.gouv.fr
- CERTFR-2018-AVI-226 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2018-AVI-224 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:4.16:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.16:rc7:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.17:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.17:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.17:rc3:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_virtualization:4.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| kernel · KVM | affected kernel 4.16 ; affected kernel 4.16-rc7 ; affected kernel 4.17-rc1 ; affected kernel 4.17-rc2 ; affected kernel 4.17-rc3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |