CVE-2019-12615

NameCVE-2019-12615
DescriptionAn issue was discovered in get_vdev_port_node_info in arch/sparc/kernel/mdesc.c in the Linux kernel through 5.1.6. There is an unchecked kstrdup_const of node_info->vdev_port.name, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash).
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 (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.72-1vulnerable
stretch4.9.168-1vulnerable
stretch (security)4.9.168-1+deb9u5vulnerable
buster4.19.37-5vulnerable
buster (security)4.19.37-5+deb10u2vulnerable
bullseye4.19.37-6vulnerable
sid5.2.9-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(unfixed)unimportant

Notes

https://git.kernel.org/linus/80caf43549e7e41a695c6d1e11066286538b336f
This is a potential null pointer dereference that looks like it can
only be invoked by root or the hypervisor. Probably no security impact.

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