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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1481-1, DLA-1529-1, DSA-4274-1, DSA-4279-1, ELA-50-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)jessie/non-free3.20240813.1~deb8u1fixed
jessie/non-free (lts)3.20230214.1~deb8u1fixed
stretch/non-free3.20240813.1~deb9u1fixed
stretch/non-free (security)3.20210608.2~deb9u2fixed
stretch/non-free (lts)3.20230214.1~deb9u1fixed
buster/non-free3.20240813.1~deb10u1fixed
buster/non-free (security)3.20240312.1~deb10u1fixed
bullseye/non-free3.20240813.1~deb11u1fixed
bullseye/non-free (security)3.20231114.1~deb11u1fixed
bookworm/non-free-firmware3.20240813.1~deb12u1fixed
bookworm/non-free-firmware (security)3.20231114.1~deb12u1fixed
sid/non-free-firmware, trixie/non-free-firmware3.20240910.1fixed
linux (PTS)jessie, jessie (lts)3.16.84-1fixed
stretch (security)4.9.320-2fixed
stretch (lts), stretch4.9.320-3fixed
buster (security), buster, buster (lts)4.19.316-1fixed
bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
trixie6.10.11-1fixed
sid6.11.2-1fixed
linux-4.9 (PTS)jessie, jessie (lts)4.9.303-1~deb8u3fixed
xen (PTS)jessie, jessie (lts)4.4.4lts5-0+deb8u1vulnerable
stretch (security), stretch (lts), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster (security), buster, buster (lts)4.11.4+107-gef32c7afa2-1fixed
bullseye4.14.6-1fixed
bullseye (security)4.14.5+94-ge49571868d-1fixed
bookworm4.17.3+10-g091466ba55-1~deb12u1fixed
sid, trixie4.17.3+36-g54dacb5c02-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
intel-microcodesource(unstable)3.20180703.1
linuxsourcewheezy(unfixed)end-of-life
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
xensourcewheezy(unfixed)end-of-life
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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