Vulnerability in Linux Kernel
CVE-2019-16994
In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- openSUSE Leap — versions 15.1
- Red Hat Enterprise Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6d (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Exploit, Patch, Issue Tracking, Vendor Advisory)
- security.netapp.com/advisory/ntap-20191031-0005/ (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16994?
- CVE-2019-16994 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 4.7/10. Published 2019-09-30.
- How severe is CVE-2019-16994?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2019-16994 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.