CVE-2019-15921

NameCVE-2019-15921
DescriptionAn issue was discovered in the Linux kernel before 5.0.6. There is a memory leak issue when idr_alloc() fails in genl_register_family() in net/netlink/genetlink.c.
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 severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.76-1fixed
stretch4.9.189-3fixed
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.67-2fixed
buster (security)4.19.67-2+deb10u2fixed
bullseye5.2.17-1fixed
sid5.3.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.37-1
linuxsourcejessie(not affected)
linuxsourcestretch(not affected)

Notes

[stretch] - linux <not-affected> (Vulnerable code introduced later)
[jessie] - linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2

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