Out-of-bounds Read in Linux Kernel
CVE-2021-38202
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
Weakness classification (CWE)
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 (Patch, Mailing List, Vendor Advisory)
- github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210902-0010/ (Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2021-38202?
- CVE-2021-38202 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-08-08.
- How severe is CVE-2021-38202?
- High severity. CVSS v3 base score is 7.5 out of 10.