Vulnerability · Published Aug 8, 2021 · Assigned by mitre
CVE-2021-38202
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.2%top 11.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 x_refsource_MISC
- https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6 x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210902-0010/ x_refsource_CONFIRM
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html