VulnerabilityModified
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.
HIGH 8.1EPSS 16.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 16.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 16.52% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362, CWE-416
- Affected
- linux/linux kernel · debian/debian linux · canonical/ubuntu linux · f5/big-ip access policy manager · f5/big-ip advanced firewall manager · f5/big-ip analytics · f5/big-ip application acceleration manager · f5/big-ip application security manager · f5/big-ip edge gateway · f5/big-ip fraud protection service · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip local traffic manager · f5/big-ip policy enforcement manager · f5/big-ip webaccelerator · redhat/openshift container platform · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · +4 more
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9Mailing List, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/107127Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0959Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0818Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0833Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2809Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3967Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0103Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1765Exploit, Mailing List, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99Mailing List, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21Mailing List, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8Mailing List, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156Mailing List, Vendor Advisory
- https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://support.f5.com/csp/article/K11186236Third Party Advisory
- https://support.f5.com/csp/article/K11186236?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
- https://usn.ubuntu.com/3932-1/Third Party Advisory
- https://usn.ubuntu.com/3932-2/Third Party Advisory
- https://usn.ubuntu.com/3933-1/Third Party Advisory
- https://usn.ubuntu.com/3933-2/Third Party Advisory
- https://www.exploit-db.com/exploits/46388/Exploit, Third Party Advisory, VDB Entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9Mailing List, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/107127Broken Link, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.