ISOMAN

CVE

CVE-2019-6974

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.

Severity
HIGH
CVSS
8.1
Published
Modified

Linked Releases

References

  1. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9
  2. http://www.securityfocus.com/bid/107127
  3. https://access.redhat.com/errata/RHBA-2019:0959
  4. https://access.redhat.com/errata/RHSA-2019:0818
  5. https://access.redhat.com/errata/RHSA-2019:0833
  6. https://access.redhat.com/errata/RHSA-2019:2809
  7. https://access.redhat.com/errata/RHSA-2019:3967
  8. https://access.redhat.com/errata/RHSA-2020:0103
  9. https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
  10. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99
  11. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21
  12. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
  13. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
  14. https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
  15. https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
  16. https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
  17. https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
  18. https://support.f5.com/csp/article/K11186236
  19. https://support.f5.com/csp/article/K11186236?utm_source=f5support&amp%3Butm_medium=RSS
  20. https://usn.ubuntu.com/3930-1/