CVE-2018-14625

NameCVE-2018-14625
DescriptionA flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.
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-1771-1
NVD severitymedium (attack range: local)

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
stretch4.9.189-3fixed
stretch (security)4.9.168-1+deb9u5fixed
buster4.19.67-2fixed
buster (security)4.19.37-5+deb10u2fixed
bullseye, sid5.2.9-2fixed
linux-4.9 (PTS)jessie (security)4.9.189-3~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.9-1medium
linuxsourcejessie(not affected)
linuxsourcestretch4.9.161-1medium
linux-4.9sourcejessie4.9.168-1~deb8u1mediumDLA-1771-1

Notes

[jessie] - linux <not-affected> (Vulnerable code not present)
https://syzkaller.appspot.com/bug?extid=bd391451452fb0b93039

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