CVE-2020-8992
Mediumext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-400CVE-2020-8992 is a Uncontrolled Resource Consumption vulnerability
What is Uncontrolled Resource Consumption?
The product does not properly control the amount of resources it consumes, leading to exhaustion. Learn more on MITRE CWE
References
8 total-
Patch Third Party Advisory
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Mailing List Third Party Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4318-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4324-1/Third Party Advisory
Frequently asked questions
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What is CVE-2020-8992?
CVE-2020-8992 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Uncontrolled Resource Consumption flaw (CWE-400) . CVE-2020-8992 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-2020-8992?
CVE-2020-8992 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2020-8992?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-8992 patch availability.
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Is CVE-2020-8992 actively exploited?
No. CVE-2020-8992 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.