High severity · published Feb 15, 2019
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
8.1
CVSS
16.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)16.5% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.10 before 3.16.64; 3.17 before 3.18.136; 3.19 before 4.4.176; 4.5 before 4.9.156; 4.10 before 4.14.99; 4.15 before 4.19.21; +1 more · source: NVD
BA
Big-ip Access Policy Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BA
Big-ip Analytics · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BA
Big-ip Application Security Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BE
Big-ip Edge Gateway · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BF
Big-ip Fraud Protection Service · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BG
Big-ip Global Traffic Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BL
Big-ip Link Controller · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BL
Big-ip Local Traffic Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
13.0.0 through 13.1.1; 14.0.0 through 14.1.0; 15.0.0 before 15.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6974
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6974
Mailing List
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9
Broken Link
http://www.securityfocus.com/bid/107127
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0959
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0818
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0833
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2809
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