CVE-2021-38202
First published: Sun Aug 08 2021(Updated: )
fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allow remote attackers to cause a denial of service (out-of-bounds read in strlen) by sending NFS traffic when the trace event framework is being used for nfsd.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.13.4 | |
| All of | ||
| netapp hci bootstrap os | ||
| netapp hci compute node | ||
| netapp hci management node | ||
| netapp solidfire | ||
| All of | ||
| NetApp Element Software | ||
| netapp hci storage node | ||
| netapp hci bootstrap os | ||
| netapp hci compute node | ||
| NetApp Element Software | ||
| netapp hci storage node | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6
- https://security.netapp.com/advisory/ntap-20210902-0010/
- https://launchpad.net/bugs/cve/CVE-2021-38202
- https://git.kernel.org/linus/7b08cf62b1239a4322427d677ea9363f0ab677c6
- https://security-tracker.debian.org/tracker/CVE-2021-38202
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38202
- https://nvd.nist.gov/vuln/detail/CVE-2021-38202
- https://ubuntu.com/security/CVE-2021-38202
Frequently Asked Questions
What is the severity of CVE-2021-38202?
CVE-2021-38202 is a denial of service vulnerability in the Linux kernel that allows remote attackers to cause an out-of-bounds read.
How do I fix CVE-2021-38202?
To fix CVE-2021-38202, upgrade the Linux kernel to version 5.13.4 or later.
Which Linux kernel versions are affected by CVE-2021-38202?
CVE-2021-38202 affects Linux kernel versions prior to 5.13.4.
Can CVE-2021-38202 affect NetApp products?
Yes, CVE-2021-38202 can affect NetApp products that use vulnerable versions of the Linux kernel.
What types of attacks can exploit CVE-2021-38202?
Exploiting CVE-2021-38202 can lead to denial of service conditions due to remote NFS traffic abuse.
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