CVE-2019-17075

NameCVE-2019-17075
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.76-1vulnerable
stretch4.9.189-3vulnerable
stretch (security)4.9.189-3+deb9u2vulnerable
buster4.19.67-2+deb10u1vulnerable
buster (security)4.19.67-2+deb10u2vulnerable
bullseye, sid5.3.9-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.3.7-1

Notes

[jessie] - linux <ignored> (Not a problem in practice)
https://lore.kernel.org/lkml/20191001165611.GA3542072@kroah.com

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