CVE-2021-38201
Highnet/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.
CVSS 3.1 score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-119CVE-2021-38201 is a Buffer Overflow vulnerability
What is Buffer Overflow?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2021-38201 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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PatchKernel patch commithttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c
Frequently asked questions
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What is CVE-2021-38201?
CVE-2021-38201 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2021-38201 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-2021-38201?
CVE-2021-38201 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2021-38201?
No patch is currently available for CVE-2021-38201. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-38201 actively exploited?
No — CVE-2021-38201 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 Buffer Overflow (CWE-119)?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →