CVE-2021-33631
HighInteger Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-190CVE-2021-33631 is a Integer Overflow vulnerability
What is Integer Overflow?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2021-33631 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Release Notes
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Release Notes
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030Vendor Advisory
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031Vendor Advisory
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1032Vendor Advisory
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1033Vendor Advisory
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1034Vendor Advisory
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Openeulerhttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1035Vendor Advisory
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c099c4fdc438014d5893629e70a8ba934433ee8
Frequently asked questions
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What is CVE-2021-33631?
CVE-2021-33631 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2021-33631 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-2021-33631?
CVE-2021-33631 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2021-33631?
No patch is currently available for CVE-2021-33631. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-33631 actively exploited?
No — CVE-2021-33631 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 Integer Overflow (CWE-190)?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. View CWE-190 on MITRE CWE →