CVE-2019-15221

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.0% of scored records. A rank, not a probability.

NVD base score

4.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-08-19 21:45Z7 YR AGO

Last updated

2024-08-05 00:42Z2 YR AGO

Reserved

2019-08-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

1212b2b3f83db9ba2734ff0ee30b9f607283b0b1631716d347d87ce96564acce

• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17x_refsource_MISC
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3450121997ce872eb7f1248417225827ea249710x_refsource_MISC
• syzkaller.appspot.comhttps://syzkaller.appspot.com/bug?id=240f09164db2c3d3af33a117c713dc7650dc29d6x_refsource_MISC
• www.openwall.com[oss-security] 20190820 Linux kernel: multiple vulnerabilities in the USB subsystem x2http://www.openwall.com/lists/oss-security/2019/08/20/2mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4115-1https://usn.ubuntu.com/4115-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4118-1https://usn.ubuntu.com/4118-1/vendor-advisoryx_refsource_UBUNTU
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190905-0002/x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20190914 [SECURITY] [DLA 1919-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190915 [SECURITY] [DLA 1919-2] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2019:2173http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2181http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4147-1https://usn.ubuntu.com/4147-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4286-2https://usn.ubuntu.com/4286-2/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4286-1https://usn.ubuntu.com/4286-1/vendor-advisoryx_refsource_UBUNTU