CVE-2019-6974
At a glance
- Source
- NVD
- EPSS
- EPSS 16.52 % · percentile 97 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
Weaknesses (CWE)
- CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization
- CWE-416 — Use After Free
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21
- https://www.exploit-db.com/exploits/46388/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
- https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
- http://www.securityfocus.com/bid/107127
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3931-1/
- https://usn.ubuntu.com/3933-2/
- https://usn.ubuntu.com/3931-2/
- https://usn.ubuntu.com/3930-2/
- https://usn.ubuntu.com/3933-1/
- https://support.f5.com/csp/article/K11186236
- https://access.redhat.com/errata/RHSA-2019:0833
- https://access.redhat.com/errata/RHSA-2019:0818
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://access.redhat.com/errata/RHBA-2019:0959
- https://access.redhat.com/errata/RHSA-2019:2809
- https://support.f5.com/csp/article/K11186236?utm_source=f5support&%3Butm_medium=RSS
- https://access.redhat.com/errata/RHSA-2019:3967
- https://access.redhat.com/errata/RHSA-2020:0103
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2019-16527
- GCVE · GCVE-0-2019-6974
CERT-FR advisories
- CERTFR-2020-AVI-030 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2019-AVI-592 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2019-AVI-574 — Multiples vulnérabilités dans F5 BIG-IP · cert.ssi.gouv.fr
- CERTFR-2019-AVI-451 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
- CERTFR-2019-AVI-299 — Multiples vulnérabilités dans IBM QRadar · cert.ssi.gouv.fr
- CERTFR-2019-AVI-233 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2019-AVI-183 — Multiples vulnérabilités dans le noyau Linux de RedHat · cert.ssi.gouv.fr
- CERTFR-2019-AVI-145 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2019-AVI-144 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2019-AVI-131 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2019-AVI-127 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2019-AVI-123 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2019-AVI-121 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.10 < 3.16.64cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.17 < 3.18.136cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.19 < 4.4.176cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.5 < 4.9.156cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.99cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.21cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 4.20.8cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*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:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 13.0.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 14.0.0 ≤ 14.1.0cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 15.0.0 < 15.1.0- +20 more
Affected products
| Product | Versions |
|---|---|
| affected n/a |
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 |