| Name | CVE-2018-3665 |
| Description | System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1422-1, DSA-4232-1, ELA-17-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | fixed |
| stretch (security) | 4.9.320-2 | fixed |
| stretch (lts), stretch | 4.9.320-3 | fixed |
| buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.304-1 | fixed |
| bullseye | 5.10.209-2 | fixed |
| bullseye (security) | 5.10.205-2 | fixed |
| bookworm | 6.1.76-1 | fixed |
| bookworm (security) | 6.1.85-1 | fixed |
| trixie | 6.6.15-2 | fixed |
| sid | 6.7.12-1 | fixed |
| xen (PTS) | jessie, jessie (lts) | 4.4.4lts5-0+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed |
| buster, buster (security) | 4.11.4+107-gef32c7afa2-1 | fixed |
| bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed |
| trixie | 4.17.3+10-g091466ba55-1 | fixed |
| sid | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | wheezy | (unfixed) | end-of-life | | |
| linux | source | jessie | 3.16.57-1 | | DLA-1422-1 | |
| linux | source | (unstable) | 4.6.1-1 | | | |
| xen | source | wheezy | (unfixed) | end-of-life | | |
| xen | source | stretch | 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8 | | DSA-4232-1 | |
| xen | source | (unstable) | 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8 | | | |
Notes
[jessie] - xen <ignored> (Depends on fix for CVE-2017-5715, CVE-2017-5753, CVE-2017-5754)
https://xenbits.xen.org/xsa/advisory-267.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00145.html
Default eagerfpu=on on all CPUs: https://git.kernel.org/linus/58122bf1d856a4ea9581d62a07c557d997d46a19
Hard-disable lazy FPU mode: https://git.kernel.org/linus/ca6938a1cd8a1c5e861a99b67f84ac166fc2b9e7