CVE-2019-16089
MediumAn issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value.
CVSS 3.1 score
4.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2019-16089 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-2019-16089 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4414-1/
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Ubuntu Securityhttps://usn.ubuntu.com/4425-1/
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Ubuntu Securityhttps://usn.ubuntu.com/4439-1/
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Ubuntu Securityhttps://usn.ubuntu.com/4440-1/
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PatchKernel patch commithttps://lore.kernel.org/patchwork/patch/1106884/
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PatchKernel patch commithttps://lore.kernel.org/patchwork/patch/1126650/
Frequently asked questions
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What is CVE-2019-16089?
CVE-2019-16089 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2019-16089 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-2019-16089?
CVE-2019-16089 has a CVSS score of 4.1 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-16089?
No patch is currently available for CVE-2019-16089. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-16089 actively exploited?
No — CVE-2019-16089 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 →