CVE-2018-15594

NameCVE-2018-15594
Descriptionarch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.
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-1529-1, DLA-1531-1, DSA-4308-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.59-1fixed
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.20-2fixed
linux-4.9 (PTS)jessie (security)4.9.110-3+deb9u5~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.17.15-1low
linuxsourcejessie3.16.59-1lowDLA-1529-1
linuxsourcestretch4.9.110-3+deb9u5lowDSA-4308-1
linux-4.9sourcejessie4.9.110-3+deb9u5~deb8u1lowDLA-1531-1

Notes

https://twitter.com/grsecurity/status/1029324426142199808
https://git.kernel.org/linus/5800dc5c19f34e6e03b5adab1282535cb102fafd

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