An issue was discovered in write_tpt_entry in drivers/infiniband/hw/cxgb4/mem.c in the...
Vulnerability Description
An issue was discovered in write_tpt_entry in drivers/infiniband/hw/cxgb4/mem.c in the Linux kernel through 5.3.2. The cxgb4 driver is directly calling dma_map_single (a DMA function) from a stack variable. This could allow an attacker to trigger a Denial of Service, exploitable if this driver is used on an architecture for which this stack/DMA interaction has security relevance.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://seclists.org/bugtraq/2019/Nov/11
- https://usn.ubuntu.com/4211-2/
- https://usn.ubuntu.com/4208-1/
- https://usn.ubuntu.com/4210-1/
- https://usn.ubuntu.com/4211-1/
- https://usn.ubuntu.com/4226-1/
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://lore.kernel.org/lkml/20191001165611.GA3542072%40kroah.com
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.