CVE-2021-38202
mediumPriorität · verfolgen · 31EPSS 0.032 · 88. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
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.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Update to V1.1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/ - MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
- MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
- Kein Fix verfügbarSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Currently no fix is available
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (14)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- SSA-265688SSA-265688: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.12024-04-09csaf · siemens_psirtDE
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. Siemens is preparing further fixes and recommends specific mitigations for products where fixes are not or not yet available. SIMATIC S7-1500 TM MFP V1.1 is no longer maintained and there won't be any update to the CVE list anymore. Please update to the latest version. Note: This SSA advises vulnerabilities for firmware version V1.1 only; for version V1.1.1 refer to SSA-784472.
- ICSA-24-102-01Siemens SIMATIC S7-1500 TM MFP2024-04-09icsa · cisa_csaf_otUS
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
auch bekannt als (4)
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quellen
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Referenzen (13)
Externe Belege — Patches, Meldungen, Analysen.
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4cnnvd
- https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6cnnvd
- https://packetstormsecurity.com/files/164348/Ubuntu-Security-Notice-USN-5096-1.htmlcnnvd
- https://security.netapp.com/advisory/ntap-20210902-0010/cnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-out-of-bounds-memory-reading-via-NFSd-Trace-Event-Framework-36072cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.3252cnnvd
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4enisa_euvd
- https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6enisa_euvd
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