Vulnerability in Linux Kernel
CVE-2019-20811
An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.
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:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (37.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% 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 14.04, 16.04
- Debian Linux — versions 8.0, 9.0
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 (Release Notes, Vendor Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4698 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4527-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20811?
- CVE-2019-20811 is a medium-severity vulnerability in Linux Kernel. CVSS score: 5.5/10. Published 2020-06-03.
- How severe is CVE-2019-20811?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-20811 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.