| Name | CVE-2018-3620 |
| Description | Systems 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1481-1, DLA-1529-1, DSA-4274-1, DSA-4279-1 |
| NVD severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| intel-microcode (PTS) | jessie/non-free | 3.20180425.1~deb8u1 | vulnerable |
| stretch/non-free | 3.20190618.1~deb9u1 | fixed |
| buster/non-free | 3.20190618.1 | fixed |
| bullseye/non-free, sid/non-free | 3.20191115.2 | fixed |
| jessie/non-free (security) | 3.20191115.2~deb8u1 | fixed |
| stretch/non-free (security) | 3.20191115.2~deb9u1 | fixed |
| buster/non-free (security) | 3.20191115.2~deb10u1 | fixed |
| linux (PTS) | jessie | 3.16.56-1+deb8u1 | vulnerable |
| jessie (security) | 3.16.81-1 | fixed |
| stretch | 4.9.189-3 | fixed |
| stretch (security) | 4.9.189-3+deb9u2 | fixed |
| buster | 4.19.67-2+deb10u1 | fixed |
| buster (security) | 4.19.67-2+deb10u2 | fixed |
| bullseye, sid | 5.4.13-1 | fixed |
| linux-4.9 (PTS) | jessie (security) | 4.9.189-3+deb9u2~deb8u1 | fixed |
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | vulnerable |
| jessie (security) | 4.4.4lts5-0+deb8u1 | vulnerable |
| stretch | 4.8.5+shim4.10.2+xsa282-1+deb9u11 | fixed |
| stretch (security) | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed |
| buster | 4.11.1+92-g6c33308a8d-2 | fixed |
| buster (security) | 4.11.3+24-g14b62ab3e5-1~deb10u1 | fixed |
| bullseye, sid | 4.11.3+24-g14b62ab3e5-1 | fixed |
The information below is based on the following data on fixed versions.
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