CVE-2018-3620

NameCVE-2018-3620
DescriptionSystems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.
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-1481-1, DLA-1529-1, DSA-4274-1, DSA-4279-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)stretch/non-free3.20200616.1~deb9u1fixed
buster/non-free3.20200616.1~deb10u1fixed
bullseye/non-free, sid/non-free3.20200616.1fixed
stretch/non-free (security)3.20200609.2~deb9u1fixed
buster/non-free (security)3.20200609.2~deb10u1fixed
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.146-1fixed
buster (security)4.19.152-1fixed
bullseye, sid5.9.1-1fixed
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+24-gddaaccbbab-1~deb10u1fixed
buster (security)4.11.4+37-g3263f257ca-1fixed
bullseye, sid4.11.4+24-gddaaccbbab-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
intel-microcodesource(unstable)3.20180703.1
linuxsourcejessie3.16.59-1DLA-1529-1
linuxsourcestretch4.9.110-3+deb9u3DSA-4279-1
linuxsource(unstable)4.17.15-1
linux-4.9sourcejessie4.9.110-3+deb9u4~deb8u1DLA-1481-1
xensourcestretch4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10DSA-4274-1
xensource(unstable)4.11.1~pre.20180911.5acdd26fdc+dfsg-2

Notes

[jessie] - xen <ignored> (Depends on fix for CVE-2017-5715, CVE-2017-5753, CVE-2017-5754)
Updates were already shipped with 20180703 release, but only disclosed later, see #906158
https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault
https://foreshadowattack.eu/
https://git.kernel.org/linus/958f338e96f874a0d29442396d6adf9c1e17aa2d
https://xenbits.xen.org/xsa/advisory-273.html
The 3.20180703.1 release for intel-microcode was the first batch of updates which targeted
most server type CPUs, additional models were supported in the 3.20180807a.1 release

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