NULL pointer dereference in Linux Kernel
CVE-2019-15221
An issue was discovered in the Linux kernel before 5.1.17. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/pcm.c driver.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Linux Kernel
- NetApp Active Iq Unified Manager
- NetApp Data Availability Services
- NetApp H410c
- NetApp H410c Firmware
- NetApp Solidfire Baseboard Management Controller
- NetApp Solidfire \& Hci Management Node
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- openSUSE Leap — versions 15.0, 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17 (Release Notes)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- syzkaller.appspot.com/bug (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/08/20/2 (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4115-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4118-1/ (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20190905-0002/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/09/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/09/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15221?
- CVE-2019-15221 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 4.6/10. Published 2019-08-19.
- How severe is CVE-2019-15221?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2019-15221 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.