Use After Free in Linux Linux_kernel

CVE-2019-19966

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.

Vulnerability class: Use-After-Free

EPSS: 0.006 (45.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, Broken Link, x_refsource_SUSE)

Frequently asked questions

What is CVE-2019-19966?
CVE-2019-19966 is a medium-severity vulnerability in Linux Linux_kernel, classified under Use After Free. CVSS score: 4.6/10. Published 2019-12-25.
How severe is CVE-2019-19966?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2019-19966 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.