CVE-2018-19406

NameCVE-2018-19406
Descriptionkvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.
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 (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)3.16.59-1fixed
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster4.19.12-1fixed
sid4.19.16-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(not affected)

Notes

- linux <not-affected> (Vulnerable code introduced later)
https://lkml.org/lkml/2018/11/20/411
Introduced by: https://git.kernel.org/linus/4180bf1b655a791a0a6ef93a2ffffc762722c782 (4.19-rc1)
Fixed by: https://git.kernel.org/linus/38ab012f109caf10f471db1adf284e620dd8d701 (4.20-rc5)

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