CVE-2019-15221
MediumAn 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.
CVSS 3.1 score
4.6
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2019-15221 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2019-15221 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Release Notes
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Third Party Advisory
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Exploit Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4115-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4118-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4147-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4286-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4286-2/Third Party Advisory
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3450121997ce872eb7f1248417225827ea249710
Frequently asked questions
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What is CVE-2019-15221?
CVE-2019-15221 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2019-15221 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-15221?
CVE-2019-15221 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-15221?
No patch is currently available for CVE-2019-15221. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-15221 actively exploited?
No — CVE-2019-15221 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →