| 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 (attack range: local) |
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 | 3.20180425.1~deb9u1 | vulnerable |
| buster/non-free, sid/non-free | 3.20180807a.1 | fixed |
| jessie/non-free (security) | 3.20180807a.1~deb8u1 | fixed |
| stretch/non-free (security) | 3.20180807a.1~deb9u1 | fixed |
| linux (PTS) | jessie | 3.16.56-1+deb8u1 | vulnerable |
| jessie (security) | 3.16.59-1 | fixed |
| stretch | 4.9.110-1 | vulnerable |
| stretch (security) | 4.9.110-3+deb9u6 | fixed |
| buster, sid | 4.18.10-2 | fixed |
| linux-4.9 (PTS) | jessie (security) | 4.9.110-3+deb9u5~deb8u1 | fixed |
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | vulnerable |
| jessie (security) | 4.4.4lts1-0+deb8u1 | vulnerable |
| buster, stretch | 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9 | vulnerable |
| stretch (security) | 4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 | fixed |
| sid | 4.11.1~pre.20180911.5acdd26fdc+dfsg-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| intel-microcode | source | (unstable) | 3.20180703.1 | medium | | |
| linux | source | (unstable) | 4.17.15-1 | medium | | |
| linux | source | jessie | 3.16.59-1 | medium | DLA-1529-1 | |
| linux | source | stretch | 4.9.110-3+deb9u3 | medium | DSA-4279-1 | |
| linux-4.9 | source | jessie | 4.9.110-3+deb9u4~deb8u1 | medium | DLA-1481-1 | |
| xen | source | (unstable) | 4.11.1~pre.20180911.5acdd26fdc+dfsg-2 | medium | | |
| xen | source | stretch | 4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 | medium | DSA-4274-1 | |
Notes
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