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CVE-2019-6974

CVE-2019-6974

EPSS 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.
Affected products
n/a · n/a
public PoCs found — 2
cve_referencewww.exploit-db.com/exploits/46388/unverifiedexploitdbwww.exploit-db.com/exploits/46388unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9https://access.redhat.com/errata/RHBA-2019:0959https://access.redhat.com/errata/RHSA-2019:0818https://access.redhat.com/errata/RHSA-2019:0833https://access.redhat.com/errata/RHSA-2019:2809https://access.redhat.com/errata/RHSA-2019:3967https://access.redhat.com/errata/RHSA-2020:0103https://bugs.chromium.org/p/project-zero/issues/detail?id=1765https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156