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
linux: linux kernel; netapp: hci bootstrap os; netapp: hci compute node; netapp: hci management node; netapp: solidfire; netapp: element software; netapp: hci storage node
References7
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing ListPatchVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing ListPatchVendor Advisory
- github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea936… PatchThird Party Advisory
- github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea936… PatchThird Party Advisory
- security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory
- security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-265688.html
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 3% percentile: 88 · as of 4 November 2026
- CWE
- CWE-125
Could this be exploited in your environment?
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