Vulnerability in Linux Kernel
CVE-2019-19043
A memory leak in the i40e_setup_macvlans() function in drivers/net/ethernet/intel/i40e/i40e_main.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering i40e_setup_channel() failures, aka CID-27d461333459.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 18.04, 19.10
- Fedoraproject Fedora — versions 30, 31
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/27d461333459d282ffa4a2bdb6b215a59d493a8f (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20191205-0001/ (Third Party Advisory)
- usn.ubuntu.com/4300-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19043?
- CVE-2019-19043 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2019-11-18.
- How severe is CVE-2019-19043?
- Medium severity. CVSS v3 base score is 5.5 out of 10.