CVE-2019-11815

NameCVE-2019-11815
DescriptionAn issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.
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)
ReferencesDLA-1824-1, DSA-4465-1
NVD severityhigh (attack range: remote)
Debian Bugs928989

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.72-1fixed
stretch4.9.168-1vulnerable
stretch (security)4.9.168-1+deb9u5fixed
buster4.19.37-5fixed
buster (security)4.19.37-5+deb10u2fixed
bullseye4.19.37-6fixed
sid5.2.7-1fixed
linux-4.9 (PTS)jessie (security)4.9.168-1+deb9u5~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.37-1high928989
linuxsourcejessie(not affected)
linuxsourcestretch4.9.168-1+deb9u3highDSA-4465-1
linux-4.9sourcejessie4.9.168-1+deb9u3~deb8u1highDLA-1824-1

Notes

[jessie] - linux <not-affected> (Vulnerable code introduced later)
Fixed by: https://git.kernel.org/linus/cb66ddd156203daefb8d71158036b27b0e2caf63

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