CVE-2019-6974
HIGH 8.1EPSS 16.5%
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.
- CVSS v3.1 NVD
- 8.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 16.52% chance of exploitation in the next 30 days, 97th percentile
- Published
- 2019-02-15
- Updated
- 2024-08-04
ExploitDB entries (1)
Security advisories
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f9…
- 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://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
- http://www.securityfocus.com/bid/107127
- https://access.redhat.com/errata/RHBA-2019:0959
- https://access.redhat.com/errata/RHSA-2019:0818
- https://access.redhat.com/errata/RHSA-2019:0833
- https://access.redhat.com/errata/RHSA-2019:2809
- https://access.redhat.com/errata/RHSA-2019:3967
- https://access.redhat.com/errata/RHSA-2020:0103
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
- torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://support.f5.com/csp/article/K11186236
- https://usn.ubuntu.com/3930-1
- https://usn.ubuntu.com/3930-2
- https://usn.ubuntu.com/3931-1
- https://usn.ubuntu.com/3931-2
- https://usn.ubuntu.com/3932-1
- https://usn.ubuntu.com/3932-2
- https://usn.ubuntu.com/3933-1
- https://usn.ubuntu.com/3933-2